| 2022 | The Hall: Honoring the Greats of Stand-Up Movie | Self (archive footage) | 6.0 |
| 2022 | The Animograph, or I Was Born in a Shoebox Movie | Self (archive footage) | 7.5 |
| 2021 | Superstar: Robin Williams Movie | Self (archive footage) | |
| 2021 | Superstar TV | Self (archive footage) | 5.7 |
| 2021 | History of the Sitcom TV | Self (archive footage) - Actor | 6.9 |
| 2021 | A Life in Ten Pictures TV | Self (archive footage) | 8.3 |
| 2020 | Return to Sweethaven: A Look Back With Robin And The Altmans Movie | Self (archive footage) | |
| 2020 | Robin's Wish Movie | Himself (archive footage) | 7.0 |
| 2020 | The Paley Center Salutes Law & Order: SVU Movie | (archive footage) | 9.7 |
| 2018 | The Top Ten Revealed TV | Self (archive footage) | 8.0 |
| 2018 | Robin Williams: Come Inside My Mind Movie | Self (voice and archive footage) | 7.9 |
| 2016 | Too Hip for the Room: The Righteous Reign of Lord Buckley Movie | Self | |
| 2016 | Robin Williams: Behind Closed Doors Movie | Self (archive footage) | |
| 2016 | Koko: The Gorilla Who Talks to People Movie | Self (archive footage) | 7.2 |
| 2015 | Another Take on… Mrs. Doubtfire Movie | Self (Archive) | |
| 2015 | Behind Closed Doors with Natalie Morales TV | Self (archive footage) | 9.0 |
| 2015 | Thank You, Del: The Story of the Del Close Marathon Movie | Self (archive footage) | 5.6 |
| 2015 | Absolutely Anything Movie | Dennis the Dog (voice) | 5.9 |
| 2014 | Night at the Museum: Secret of the Tomb Movie | Theodore Roosevelt | 6.2 |
| 2014 | Robin Williams - Live Across Australia Movie | Self | |
| 2014 | A Merry Friggin' Christmas Movie | Virgil Mitchler | 5.4 |
| 2014 | 3 Still Standing Movie | Self | 6.0 |
| 2014 | Altman Movie | Self | 6.6 |
| 2014 | The Angriest Man in Brooklyn Movie | Henry Altmann | 5.6 |
| 2014 | All About Ann: Governor Richards of the Lone Star State Movie | Self (archive footage) | 7.7 |
| 2014 | Boulevard Movie | Nolan | 5.8 |
| 2013 | Kelly Clarkson's Cautionary Christmas Music Tale Movie | Self | 6.7 |
| 2013 | Comic Relief Zero Movie | Self (archive footage) | 4.7 |
| 2013 | The Face of Love Movie | Roger Stillman | 6.1 |
| 2013 | The Crazy Ones TV | Simon Roberts | 6.1 |
| 2013 | The Butler Movie | Dwight H. Eisenhower | 7.3 |
| 2013 | The Big Wedding Movie | Father Monaghan | 5.8 |
| 2013 | Richard Pryor: Omit the Logic Movie | Self | 7.1 |
| 2012 | Radioman Movie | Self | 6.3 |
| 2012 | Persistence of Vision Movie | Himself | 8.0 |
| 2012 | Reflecting on a Journey: Good Will Hunting 15 Years Later Movie | Self | |
| 2012 | Final Cut: Ladies and Gentlemen Movie | (archive footage) | 7.5 |
| 2012 | Inside Comedy TV | Self | 6.5 |
| 2011 | Happy Feet Two Movie | Ramon / Lovelace (voice) | 6.2 |
| 2011 | Wilfred TV | Dr. Eddy | 7.5 |
| 2011 | Classic TV Bloopers Uncensored Movie | Mork (archive footage) | 2.0 |
| 2010 | Who Is Harry Nilsson (And Why Is Everybody Talkin' About Him?) Movie | Self | 7.1 |
| 2010 | 2Everything2Terrible2: Tokyo Drift Movie | (archive footage) | 6.1 |
| 2010 | Louie TV | Robin | 7.8 |
| 2009 | Robin Williams: Weapons of Self Destruction Movie | Self | 7.4 |
| 2009 | Monkey Mischief Movie | Theodore Roosevelt | |
| 2009 | Old Dogs Movie | Dan | 5.6 |
| 2009 | SpongeBob's Truth or Square Movie | Self | 6.9 |
| 2009 | Believe: The Eddie Izzard Story Movie | Self | 6.7 |
| 2009 | The Jay Leno Show TV | Self | 3.3 |
| 2009 | World's Greatest Dad Movie | Lance Clayton | 6.6 |
| 2009 | Shrink Movie | Holden | 6.2 |
| 2009 | Alan Carr: Chatty Man TV | Self | 5.2 |
| 2009 | Night at the Museum: Battle of the Smithsonian Movie | Theodore Roosevelt | 6.2 |
| 2008 | Starz Inside: Ladies or Gentlemen Movie | Self (archive footage) | 3.7 |
| 2008 | We Are Most Amused Movie | Self | 7.2 |
| 2008 | Johnny Carson Celebrates Christmas Movie | Self | |
| 2008 | The Bonnie Hunt Show TV | Self | 4.4 |
| 2008 | Dreams with Sharp Teeth Movie | Self | 7.3 |
| 2008 | The Madness and Misadventures of Munchausen Movie | Self | 7.8 |
| 2008 | History of the Joke Movie | Self | 5.0 |
| 2008 | Comic Relief: The Greatest... and the Latest Movie | Unknown character | 6.0 |
| 2007 | August Rush Movie | Maxwell "Wizard" Wallace | 7.4 |
| 2007 | Cannes: All Access Movie | Self | 3.2 |
| 2007 | Fog City Mavericks Movie | Self | 8.5 |
| 2007 | Mr. Warmth: The Don Rickles Project Movie | Self | 6.8 |
| 2007 | The Pixar Story Movie | Self (archive footage) | 7.5 |
| 2007 | License to Wed Movie | Reverend Frank | 5.7 |
| 2007 | Shrink Rap TV | Self | 7.0 |
| 2007 | Elton 60: Live At Madison Square Garden Movie | Self | 7.2 |
| 2007 | Certifiably Jonathan Movie | Self | 5.0 |
| 2007 | The Graham Norton Show TV | Self | 7.2 |
| 2006 | Night at the Museum Movie | Theodore Roosevelt | 6.6 |
| 2006 | Comic Relief 2006 Movie | Unknown character | 7.0 |
| 2006 | Happy Feet Movie | Ramon / Lovelace (voice) | 6.2 |
| 2006 | Man of the Year Movie | Tom Dobbs | 6.0 |
| 2006 | JoJo: The Pop Princess Movie | Himself | 8.3 |
| 2006 | Robin Williams: A Family Affair Movie | Self | |
| 2006 | RV Nation: The Culture of Road Warriors Movie | Self | 9.3 |
| 2006 | RV Nation: The Culture of Road Warriors Movie | Self | |
| 2006 | Barry Sonnenfeld: The Kosher Cowboy Movie | Self | |
| 2006 | Everyone's Hero Movie | Napoleon Cross (uncredited) | 6.1 |
| 2006 | VH1 Rock Honors TV | Himself | 7.0 |
| 2006 | RV Movie | Bob Munro | 5.9 |
| 2006 | The Night Listener Movie | Gabriel Noone | 5.5 |
| 2005 | Sit Down Comedy with David Steinberg TV | Self | 9.0 |
| 2005 | Earth to America Movie | Self | 7.7 |
| 2005 | The Big White Movie | Paul Barnell | 6.2 |
| 2005 | Emmanuel's Gift Movie | Self (archive footage) | 7.8 |
| 2005 | Romanekian Movie | Self | 10.0 |
| 2005 | The Aristocrats Movie | Self | 5.9 |
| 2005 | Mind of Mencia TV | Unknown character | 3.2 |
| 2005 | Robots Movie | Fender (voice) | 6.5 |
| 2005 | Nos Bastidores de Hollywood Movie | Self (archive footage) | 10.0 |
| 2005 | The Late Late Show with Craig Ferguson TV | Self | 6.9 |
| 2004 | Noel Movie | Charlie Boyd / The Priest | 5.8 |
| 2004 | The Final Cut Movie | Alan W. Hakman | 6.1 |
| 2004 | The Tour Baby Movie | Himself | |
| 2004 | Parkinson TV | Self - Guest | 7.0 |
| 2004 | Parkinson TV | Self - Guest (archive footage) | 7.0 |
| 2004 | House of D Movie | Pappass | 6.3 |
| 2003 | Richard Pryor: I Ain't Dead Yet, #*%$#@!! Movie | Self | 7.7 |
| 2003 | The Ellen DeGeneres Show TV | Self | 5.6 |
| 2003 | Can't Buy Me Lunch: Another Look at The Rutles Movie | Hans Hänkie | 5.8 |
| 2003 | Celebrities Uncensored TV | Self | 4.9 |
| 2003 | Real Time with Bill Maher TV | Self | 6.0 |
| 2003 | Jimmy Kimmel Live! TV | Self | 5.3 |
| 2002 | Life with Bonnie TV | Kevin Powalski | 7.2 |
| 2002 | Death to Smoochy: Behind the Scenes Documentary Movie | Self | |
| 2002 | Death to Smoochy: Bloopers & Outtakes Movie | Self | |
| 2002 | One Hour Photo Movie | Seymour "Sy" Parrish | 6.7 |
| 2002 | Robin Williams: Live on Broadway Movie | Self | 7.8 |
| 2002 | American Idol TV | Ivan 'Bob' Poppanoff the 'Russian Idol' | 5.0 |
| 2002 | Insomnia Movie | Walter Finch | 7.0 |
| 2002 | Death to Smoochy Movie | Rainbow Randolph | 5.9 |
| 2002 | The 1st 13th Annual Fancy Anvil Awards Show Program Special: Live in Stereo Movie | Self | 10.0 |
| 2002 | Intimate Portrait: Pam Dawber Movie | Self | 8.0 |
| 2001 | America | A Tribute to Heroes Movie | Self | 6.5 |
| 2001 | Good Day Live TV | Self | 3.8 |
| 2001 | A.I. Artificial Intelligence Movie | Dr. Know (voice) | 7.1 |
| 2001 | Anatomy of a Scene TV | Self | 7.0 |
| 2001 | The Firesign Theatre: Weirdly Cool Movie | Self | 9.0 |
| 2000 | The Beatles Revolution Movie | Self | |
| 2000 | Chuck Jones: Extremes and In-Betweens - A Life in Animation Movie | Self | 7.1 |
| 2000 | Making Jumanji: The Realm of Imagination Movie | Self / Alan Parrish | |
| 2000 | Lions and Monkeys and Pods... Oh My!: The Special Effects of 'Jumanji' Movie | Self (uncredited) | |
| 1999 | Bicentennial Man Movie | Andrew | 7.3 |
| 1999 | The Early Show TV | Self | 6.2 |
| 1999 | Law & Order: Special Victims Unit TV | Merritt Rook | 8.0 |
| 1999 | Jakob the Liar Movie | Jakob Heym | 6.7 |
| 1999 | Teen Choice Awards TV | Self | 9.1 |
| 1999 | SpongeBob SquarePants TV | Robin Williams | 7.7 |
| 1999 | Get Bruce! Movie | Self | 6.5 |
| 1999 | Billy Connolly: Erect for 30 Years Movie | Unknown character | 7.4 |
| 1998 | Patch Adams Movie | Patch Adams | 7.3 |
| 1998 | George Martin: In My Life Movie | Self | 4.5 |
| 1998 | Junket Whore Movie | Self | 5.5 |
| 1998 | What Dreams May Come Movie | Chris Nielsen | 7.3 |
| 1998 | L.A. Doctors TV | Hugo Kingsley | 8.5 |
| 1998 | Hollywood Squares TV | Self - Panelist | 7.6 |
| 1998 | Whose Line Is It Anyway? TV | Self | 7.9 |
| 1998 | Parkinson TV | Self | |
| 1997 | Deconstructing Harry Movie | Mel | 7.2 |
| 1997 | Good Will Hunting Movie | Sean Maguire | 8.2 |
| 1997 | Flubber Movie | Professor Philip Brainard | 5.7 |
| 1997 | The View TV | Self | 4.3 |
| 1997 | Fathers' Day Movie | Dale Putley | 5.5 |
| 1997 | Great Minds Think for Themselves TV | Genie (voice) | 3.3 |
| 1996 | Hamlet Movie | Osric | 7.3 |
| 1996 | The Secret Agent Movie | The Professor (uncredited) | 5.6 |
| 1996 | Clive Anderson All Talk TV | Self | 7.5 |
| 1996 | Jack Movie | Jack Powell | 6.3 |
| 1996 | The Daily Show TV | Self | 6.4 |
| 1996 | Nichols and May: Take Two Movie | Self | 6.5 |
| 1996 | Aladdin and the King of Thieves Movie | Genie (voice) | 6.2 |
| 1996 | The Birdcage Movie | Armand Goldman | 7.0 |
| 1995 | Jumanji Movie | Alan Parrish | 7.2 |
| 1995 | Aladdin on Ice Movie | Genie (voice) (uncredited) | 5.4 |
| 1995 | Comic Relief VII Movie | Self - Host | |
| 1995 | To Wong Foo, Thanks for Everything! Julie Newmar Movie | John Jacob Jingleheimer Schmidt (uncredited) | 7.5 |
| 1995 | Nine Months Movie | Dr. Kosevich | 5.7 |
| 1995 | The First 100 Years: A Celebration of American Movies Movie | Self | 8.0 |
| 1994 | In the Wild: Dolphins With Robin Williams Movie | Self | 9.0 |
| 1994 | The World of Jim Henson Movie | Self (archive footage) | 7.4 |
| 1994 | In Search of Dr. Seuss Movie | The Father | 6.8 |
| 1994 | Friends TV | Tomas (uncredited) | 8.4 |
| 1994 | Inside the Actors Studio TV | Self | |
| 1994 | Sesame Street | All-Star 25th Birthday: Stars and Street Forever! Movie | Self (archive footage) | 7.0 |
| 1994 | Being Human Movie | Hector | 5.1 |
| 1994 | But... Seriously Movie | Self (archive footage) | 8.5 |
| 1994 | Comic Relief VI Movie | Self - Host | |
| 1993 | Mrs. Doubtfire Movie | Daniel Hillard / Mrs. Doubtfire | 7.2 |
| 1993 | Sesame Street's 25th Birthday: A Musical Celebration Movie | Self (segment "Monster in the Mirror") | 7.0 |
| 1993 | Late Night with Conan O'Brien TV | Self - Guest | 7.3 |
| 1993 | Late Show with David Letterman TV | Self | 6.5 |
| 1993 | Late Show with David Letterman TV | Self - Guest | 6.5 |
| 1993 | A Tribute to Sam Kinison Movie | Self | 6.8 |
| 1993 | Homicide: Life on the Street TV | Robert Ellison | 8.1 |
| 1993 | An Evening with Lily Tomlin and Friends Movie | Self | |
| 1992 | A Spinal Tap Reunion: The 25th Anniversary London Sell-Out Movie | Robin Williams | 6.1 |
| 1992 | Toys Movie | Leslie Zevo | 5.3 |
| 1992 | Aladdin Movie | Genie / Peddler (voice) | 7.7 |
| 1992 | Terry Wogan's Friday Night TV | Self | 6.5 |
| 1992 | The Larry Sanders Show TV | Robin Williams | 7.8 |
| 1992 | The Tonight Show with Jay Leno TV | Self | 5.3 |
| 1992 | FernGully: The Last Rainforest Movie | Batty Koda (voice) | 6.4 |
| 1991 | A Wish for Wings That Work Movie | Kiwi (voice) (credited as Sudy Nim) | 6.2 |
| 1991 | Charlie Rose TV | Self | 6.1 |
| 1991 | The Fisher King Movie | Parry | 7.3 |
| 1991 | Shakes the Clown Movie | Mime Class Instructor | 5.3 |
| 1991 | Dead Again Movie | Cozy Carlisle | 6.4 |
| 1991 | Rabbit Ears - The Fool and the Flying Ship Movie | Narrator (voice) | 6.5 |
| 1991 | Hook Movie | Peter Banning / Peter Pan | 6.8 |
| 1990 | Awakenings Movie | Malcolm Sayer | 7.8 |
| 1990 | AN EVENING WITH: FRIENDS OF THE ENVIRONMENT Movie | Self | |
| 1990 | Cadillac Man Movie | Joey O'Brien | 5.8 |
| 1990 | Comic Relief '90 Movie | Self | 6.5 |
| 1990 | The Earth Day Special Movie | Everyman | 6.1 |
| 1989 | The Simpsons TV | Dr. J. Loren Pryor (voice) (as Doug Hill) | 8.0 |
| 1989 | Saturday Night Live: 15th Anniversary Movie | Self | 7.8 |
| 1989 | Whoopi Goldberg Presents: Billy Connolly Movie | Himself (uncredited) | 7.7 |
| 1989 | I'm from Hollywood Movie | Self | 6.3 |
| 1989 | Dead Poets Society Movie | John Keating | 8.3 |
| 1989 | Back to Neverland Movie | Robin | 7.0 |
| 1989 | Comic Relief III Movie | Unknown character | 8.0 |
| 1988 | Free to Be... a Family Movie | Self | 8.8 |
| 1988 | The Adventures of Baron Munchausen Movie | King of the Moon | 7.0 |
| 1988 | LIVE with Kelly and Mark TV | Self - Guest | 5.6 |
| 1988 | Rabbit Ears - Pecos Bill Movie | Narrator (voice) | 6.5 |
| 1988 | Portrait of a White Marriage Movie | Bill Lohmer - Air Conditioning Salesman (uncredited) | 3.7 |
| 1988 | Portrait of a White Marriage Movie | Air Conditioning Salesman | 3.7 |
| 1988 | An All-Star Toast to the Improv Movie | Self | |
| 1987 | Good Morning, Vietnam Movie | Adrian Cronauer | 7.3 |
| 1987 | Bobby McFerrin: Spontaneous Inventions Movie | Himself | |
| 1987 | Dear America: Letters Home from Vietnam Movie | (voice) | 7.2 |
| 1987 | Sacrée soirée TV | Self | 5.7 |
| 1987 | Superstars and their Moms Movie | Self | 10.0 |
| 1987 | Biography TV | Self | 6.7 |
| 1987 | Carol, Carl, Whoopi and Robin Movie | Self | 8.8 |
| 1987 | Citizen Steve Movie | Robin Leach | 6.0 |
| 1987 | Jonathan Winters: On the Ledge Movie | Self | 5.0 |
| 1986 | The Best of Comic Relief Movie | Self | |
| 1986 | Barbra Streisand: One Voice Movie | Self - Guest Performer | 7.6 |
| 1986 | Max Headroom's Giant Christmas Turkey Movie | Self | 5.5 |
| 1986 | The Young Comedians All-Star Reunion Movie | Self | 8.0 |
| 1986 | Robin Williams: An Evening at the Met Movie | Self | 8.2 |
| 1986 | Seize the Day Movie | Tommy Wilhelm | 5.0 |
| 1986 | Club Paradise Movie | Jack Moniker | 5.2 |
| 1986 | American Masters TV | Self | 7.0 |
| 1986 | Bob Goldthwait: Don't Watch This Show Movie | Albert Einstein | 7.7 |
| 1986 | Comic Relief TV | Self - Host | 10.0 |
| 1986 | The Best of Times Movie | Jack Dundee | 5.7 |
| 1986 | Bridge School Benefit Concert 1986 Movie | Self | |
| 1986 | Super Duper Bloopers Movie | Self | 4.0 |
| 1985 | Richard Lewis: I'm In Pain Movie | Self | 8.0 |
| 1984 | Moscow on the Hudson Movie | Vladimir Ivanoff | 6.3 |
| 1984 | The Stars Salute the U.S. Olympic Team Movie | Self - Performer | |
| 1983 | The Survivors Movie | Donald Quinelle | 5.7 |
| 1983 | An Evening with Robin Williams Movie | Self | 7.3 |
| 1982 | E.T. and Friends: Magical Movie Visitors Movie | Self - Host | 7.6 |
| 1982 | Catch A Rising Star: 10th Anniversary Special Movie | Self | 7.0 |
| 1982 | The Mork & Mindy / Laverne & Shirley / Fonz Hour TV | Mork (voice) | 8.2 |
| 1982 | Faerie Tale Theatre TV | The Frog / Prince Robin | 8.1 |
| 1982 | The Tale of the Frog Prince Movie | The Frog / Prince Robin | 5.8 |
| 1982 | The World According to Garp Movie | T.S. Garp | 6.7 |
| 1982 | Wogan TV | Self | 5.6 |
| 1982 | I Love Liberty Movie | Self | |
| 1982 | Night of 100 Stars Movie | Self | 5.8 |
| 1982 | Late Night with David Letterman TV | Self - Guest | 6.2 |
| 1982 | The Billy Crystal Comedy Hour TV | Himself | 7.0 |
| 1980 | Popeye Movie | Popeye | 5.6 |
| 1980 | Andy Kaufman Plays Carnegie Hall Movie | Self (uncredited) | 7.0 |
| 1979 | Out of the Blue TV | Mork | 7.3 |
| 1979 | Sitcom: The Adventures of Garry Marshall Movie | Self | 9.0 |
| 1979 | Rona Barrett Looks at 1978 Movie | Self | |
| 1978 | Robin Williams: Off the Wall Movie | Self | 7.6 |
| 1978 | Mork & Mindy TV | Mork | 7.1 |
| 1978 | Sorority '62 Movie | Henry | |
| 1977 | The 2nd Annual HBO Young Comedians Show Movie | Self | |
| 1977 | The Richard Pryor Show TV | Various | 6.4 |
| 1977 | Laugh-In TV | Regular Performer | 6.6 |
| 1977 | Can I Do It Till I Need Glasses? Movie | Lawyer / Man with Toothache (uncredited) | 4.7 |
| 1977 | Eight Is Enough TV | The Circuit Breakers Member | 6.2 |
| 1975 | Saturday Night Live TV | Self (uncredited) | 6.9 |
| 1975 | Saturday Night Live TV | Self - Host | 6.9 |
| 1975 | Saturday Night Live TV | Self - Cameo (uncredited) | 6.9 |
| 1974 | Happy Days TV | Mork | 7.6 |
| 1971 | Film '72 TV | Self | 5.1 |
| 1971 | Great Performances TV | Self | 6.1 |
| 1969 | Sesame Street TV | Self | 7.1 |
| 1962 | The Tonight Show Starring Johnny Carson TV | Self | 7.6 |
| 1956 | Tony Awards TV | Self - Presenter | |
| 1953 | The Oscars TV | Self | 7.1 |
| 1952 | Today TV | Self | 5.6 |
| 1944 | Golden Globe Awards TV | Self - Nominee | 7.0 |
| 1944 | Golden Globe Awards TV | Self - Presenter | 7.0 |
| 1944 | Golden Globe Awards TV | Self - Special Award Recipient | 7.0 |
| 1944 | Golden Globe Awards TV | Self - Cecil B. deMille Award Recipient | 7.0 |
| TBA | Untitled Nathan Lane Documentary Movie | Self (archive footage) | |
