| 2023 | El culto Love Has Won (serie) | Self (archive footage) |
| 2022 | Dark Side of Comedy (serie) | Self (archive footage) |
| 2022 | The Hall: Honoring the Greats of Stand-Up | Self (archive footage) |
| 2021 | Superstar: Robin Williams | Self (archive footage) |
| 2021 | Superstar (serie) | Self (archive footage) |
| 2021 | History of the Sitcom (serie) | Self (archive footage) - Actor |
| 2020 | Return to Sweethaven: A Look Back With Robin And The Altmans | Self (archive footage) |
| 2020 | El deseo de Robin | Himself (archive footage) |
| 2018 | The Top Ten Revealed (serie) | Self (archive footage) |
| 2016 | Robin Williams: Behind Closed Doors | Self (archive footage) |
| 2016 | Koko: The Gorilla Who Talks to People | Self |
| 2015 | Behind Closed Doors with Natalie Morales (serie) | Self (archive footage) |
| 2014 | Noche en el museo: El secreto del faraón | Theodore Roosevelt |
| 2014 | El hombre más enfadado de Brooklyn | Henry Altmann |
| 2014 | All About Ann: Governor Richards of the Lone Star State | Self (archive footage) |
| 2014 | Boulevard | Nolan Mack |
| 2013 | Comic Relief Zero | Self (archive footage) |
| 2013 | La mirada del amor | Roger Stillman |
| 2013 | The Crazy Ones (serie) | Simon Roberts |
| 2012 | Inside Comedy (serie) | Self |
| 2011 | Happy Feet 2 | Ramon / Lovelace (voice) |
| 2011 | Classic TV Bloopers Uncensored | Himself |
| 2010 | Louie (serie) | Robin |
| 2009 | Robin Williams: Weapons of Self Destruction | Himself |
| 2009 | Dos canguros muy maduros | Dan |
| 2009 | The Jay Leno Show (serie) | Self |
| 2009 | El mejor padre del mundo | Lance Clayton |
| 2009 | Alan Carr: Chatty Man (serie) | Self |
| 2009 | Noche en el museo 2 | Theodore Roosevelt |
| 2008 | Starz Inside: Ladies or Gentlemen | Self (archive footage) |
| 2008 | Johnny Carson Celebrates Christmas | Self |
| 2008 | The Bonnie Hunt Show (serie) | Self |
| 2008 | Dreams with Sharp Teeth | Himself |
| 2007 | August Rush: El triunfo de un sueño | Maxwell "Wizard" Wallace |
| 2007 | Fog City Mavericks | Self |
| 2007 | Hasta que el cura nos separe | Reverend Frank |
| 2007 | Shrink Rap (serie) | Himself |
| 2007 | Elton 60: Live at Madison Square Garden | Self |
| 2007 | Certifiably Jonathan | Self |
| 2007 | The Graham Norton Show (serie) | Self |
| 2006 | Comic Relief 2006 | — |
| 2006 | Happy Feet: Rompiendo el hielo | Ramon / Lovelace (voice) |
| 2006 | El hombre del año | Tom Dobbs |
| 2006 | Barry Sonnenfeld: The Kosher Cowboy | Self |
| 2006 | RV Nation: The Culture of Road Warriors | Self |
| 2006 | JoJo: The Pop Princess | Himself |
| 2006 | VH1 Rock Honors (serie) | Himself |
| 2006 | ¡Vaya vacaciones! | Bob Munro |
| 2006 | Voces en la noche | Gabriel Noone |
| 2005 | Sit Down Comedy with David Steinberg (serie) | Himself |
| 2005 | Un golpe de suerte | Paul Barnell |
| 2005 | Emmanuel's Gift | Self (archive footage) |
| 2005 | Romanekian | Himself |
| 2005 | Mind of Mencia (serie) | — |
| 2005 | Delitos menores | Pappass |
| 2005 | Robots | Fender (voice) |
| 2005 | Nos Bastidores de Hollywood | Self |
| 2005 | The Late Late Show with Craig Ferguson (serie) | Self |
| 2004 | La memoria de los muertos | Alan W. Hakman |
| 2004 | The Tour Baby | Himself |
| 2003 | 2003 Florida Marlins: The Official World Series Film | Himself |
| 2003 | The Ellen DeGeneres Show (serie) | Self |
| 2003 | Celebrities Uncensored (serie) | Self |
| 2003 | Real Time with Bill Maher (serie) | Self |
| 2003 | Jimmy Kimmel Live! (serie) | Self |
| 2002 | Life with Bonnie (serie) | Kevin Powalski |
| 2002 | Death to Smoochy: Bloopers & Outtakes | Self |
| 2002 | Retratos de una obsesión | Seymour Parrish |
| 2002 | Robin Williams: Live on Broadway | Himself |
| 2002 | American Idol (serie) | Ivan 'Bob' Poppanoff the 'Russian Idol' |
| 2002 | Insomnio | Walter Finch |
| 2002 | Smoochy | Rainbow Randolph |
| 2001 | Good Day Live (serie) | Self |
| 2001 | A.I. Inteligencia Artificial | Dr. Know (voice) |
| 2000 | Making Jumanji: The Realm of Imagination | Self / Alan Parrish |
| 1999 | El hombre bicentenario | Andrew |
| 1999 | The Early Show (serie) | Self |
| 1999 | Ley y orden: Unidad de Víctimas Especiales (serie) | Merritt Rook |
| 1999 | Ilusiones de un mentiroso | Jakob Heym |
| 1999 | Teen Choice Awards (serie) | Self - Nominee |
| 1999 | Bob Esponja (serie) | — |
| 1999 | Billy Connolly: Erect for 30 Years | — |
| 1998 | Patch Adams | Hunter "Patch" Adams |
| 1998 | George Martin: In My Life | Self |
| 1998 | Más allá de los sueños | Chris Nielsen |
| 1998 | L.A. Doctors (serie) | Hugo Kingsley |
| 1997 | El indomable Will Hunting | Sean Maguire |
| 1997 | Flubber y el profesor chiflado | Professor Philip Brainard |
| 1997 | The View (serie) | Self |
| 1997 | Un lío padre | Dale Putley |
| 1996 | Clive Anderson All Talk (serie) | Self |
| 1996 | Jack | Jack Powell |
| 1996 | The Daily Show (serie) | Self |
| 1996 | Una jaula de grillos | Armand Goldman |
| 1995 | Jumanji | Alan Parrish |
| 1995 | Nueve meses | Dr. Kosevich |
| 1994 | In the Wild: Dolphins With Robin Williams | Self |
| 1994 | In Search of Dr. Seuss | The Father |
| 1994 | Friends (serie) | Tomas (uncredited) |
| 1994 | Inside the Actors Studio (serie) | Self |
| 1994 | Un hombre perdido en el tiempo | Hector |
| 1994 | But... Seriously | Self (archive footage) |
| 1993 | Señora Doubtfire, papá de por vida | Daniel Hillard / Mrs. Doubtfire |
| 1993 | Late Night with Conan O'Brien (serie) | Invitado especial |
| 1993 | A Tribute to Sam Kinison | Self |
| 1993 | Homicidio (serie) | Robert Ellison |
| 1993 | An Evening with Lily Tomlin and Friends | Self |
| 1992 | Toys: fabricando ilusiones | Leslie Zevo |
| 1992 | Aladdin | Genie / Peddler (voice) |
| 1992 | Terry Wogan's Friday Night (serie) | Self |
| 1992 | The Larry Sanders Show (serie) | Robin Williams |
| 1992 | The Tonight Show with Jay Leno (serie) | Himself |
| 1992 | FernGully. Las aventuras de Zak y Crysta | Batty Koda (voice) |
| 1991 | Charlie Rose (serie) | Invitado especial |
| 1991 | El rey pescador | Parry |
| 1991 | Morir todavía | Cozy Carlisle |
| 1991 | Rabbit Ears - The Fool and the Flying Ship | Narrator (voice) |
| 1991 | Hook (El capitán Garfio) | Peter Banning / Peter Pan |
| 1990 | Despertares | Malcolm Sayer |
| 1990 | Cadillac Man | Joey O'Brien |
| 1989 | Los Simpson (serie) | Dr. J. Loren Pryor (voice) (as Doug Hill) |
| 1989 | Whoopi Goldberg Presents Billy Connolly | Himself (uncredited) |
| 1989 | El club de los poetas muertos | John Keating |
| 1989 | Back to Neverland | Robin |
| 1989 | Comic Relief III | — |
| 1988 | LIVE with Kelly and Mark (serie) | Invitado especial |
| 1988 | Rabbit Ears - Pecos Bill | Narrator (voice) |
| 1987 | Good Morning, Vietnam | Adrian Cronauer |
| 1987 | Bobby McFerrin: Spontaneous Inventions | Himself |
| 1987 | Sacrée soirée (serie) | Self |
| 1987 | Superstars and their Moms | Self |
| 1987 | Biography (serie) | Self |
| 1987 | Carol, Carl, Whoopi and Robin | — |
| 1987 | Jonathan Winters: On the Ledge | Self |
| 1986 | The Best of Comic Relief | Self |
| 1986 | Barbra Streisand: One Voice | Self - Guest Performer |
| 1986 | Max Headroom's Giant Christmas Turkey | Himself |
| 1986 | Robin Williams: An Evening at the Met | Himself |
| 1986 | Aprovecha el dia | Tommy Wilhelm |
| 1986 | Club Paraíso | Jack Moniker |
| 1986 | American Masters (serie) | Self |
| 1986 | Los buenos tiempos | Jack Dundee |
| 1986 | Super Duper Bloopers | Himself |
| 1985 | Richard Lewis: I'm In Pain | Self |
| 1984 | Un Ruso en Nueva York | Vladimir Ivanoff |
| 1983 | Sufridos ciudadanos | Donald Quinelle |
| 1983 | An Evening with Robin Williams | Himself |
| 1982 | E.T. and Friends: Magical Movie Visitors | Himself - Host |
| 1982 | The Tale of the Frog Prince | The Frog / Prince Robin |
| 1982 | Cuentos de las estrellas (serie) | The Frog / Prince Robin |
| 1982 | El mundo según Garp | T.S. Garp |
| 1982 | Wogan (serie) | Self |
| 1980 | Popeye | Popeye |
| 1980 | Andy Kaufman Plays Carnegie Hall | Himself (uncredited) |
| 1979 | Rona Barrett Looks at 1978 | — |
| 1978 | Robin Williams: Off the Wall | Himself |
| 1978 | Mork & Mindy (serie) | Mork |
| 1978 | Sorority '62 | Henry |
| 1977 | The Richard Pryor Show (serie) | Various |
| 1977 | Laugh-In (serie) | Regular Performer |
| 1977 | Con ocho basta (serie) | The Circuit Breakers Member |
| 1975 | Saturday Night Live (serie) | Self - Host |
| 1974 | Happy Days (serie) | Mork |
| 1971 | Great Performances (serie) | Self |
| 1962 | The Tonight Show Starring Johnny Carson (serie) | Self |
| 1953 | The Oscars (serie) | Self |
| 1952 | Today (serie) | Self |
| 1944 | Premios Globo de Oro (serie) | Self - Nominee |
