List of all movies and TV series
| O voo do impossível | Animation Movie | 2021 | |
| O xerokefalos | Movie | 1970 | |
| O Xypolytos Pringips | Movie | 1966 | (The Barefoot Prince) |
| O zi buna de plaja | Short Movie | 2008 | |
| O zivot | Movie | 2008 | |
| O životu i o smrti | Movie made for TV | 2019 | |
| O zvířatech a lidech | TV Series | 1994 | |
| O' Horten | Movie | 2007 | (O'Horten) |
| O' surdato 'nnammurato | Movie | 1983 | |
| O'Dessa | Movie | 2025 | (О'Десса) |
| O'Key ili Delo v shlyape | Movie | 2002 | |
| O'prah | Movie | 2008 | (Oprah: Hot Sunday) |
| O, Gevorg! | Short Movie | 1979 | ||
| O, schastlivchik! | Movie | 2009 | (O, Luckyman!) |
| O-nyanko za mûbî Kiki ippatu! | Movie | 1986 | (Onyanko the Movie - One Shot Crisis!) |
| O.C. and Stiggs | Movie | 1985 | (Black Cats) |
| O.G. | Movie | 2018 | |
| O.H.M.S. | Movie | 1937 | (Ao Serviço de Sua Majestade) |
| O.J. - Alt for Norge | TV Series | 2002 | |
| O.J. - en utstrakt hånd | TV Series | 1999 | |
| O.J. på nye eventyr | TV Series | 1995 | |
| O.J. ute på prøve | TV Series | 1994 | |
| O.K. Garage | Movie | 1998 | (All Revved Up) |
| O.K. patron | Movie | 1974 | (OK Patron) |
| O.K. Yevtushenko | Movie | 1968 | (Somebody's Stolen Our Russian Spy) |
| O.T. Genasis feat. Young Dolph: Cut It | Music Video | 2015 | ||
| O.T. Genasis: CoCo (TV Version) | Music Video | 2015 | ||
| O2 | Movie | 2020 | (Operacija 'O2') |
| OAS, un passé très présent | Documentary | 2008 | |
| Oasis: Don't Go Away | Music Video | 1997 | |
| Oasis: Don't Look Back in Anger | Music Video | 1996 | |
| Oasis: Falling Down | Music Video | 2009 | |
| Oasis: Go Let It Out | Music Video | 2000 | |
| Oasis: Songbird | Music Video | 2003 | |
| Oasis: Stand by Me | Music Video | 1997 | |
| Oasis: Supersonic | Music Video | 1994 | |
| Oasis: The Importance of Being Idle | Music Video | 2005 | |
| Oat Pramote: Suk San Wan Jeb | Music Video | 2022 | ||
| Oaza | Movie | 1972 | (Oasis) |
| Obaba | Movie | 2005 | (Obaba - Das Dorf der grünen Eidechse) |
| Obaltan | Movie | 1961 | (The Aimless Bullet) |
| Obatai Priye Adare | Movie | 1987 | |
| Občanský průkaz (Identity Card) | Movie | 2010 | (Dowód osobisty) |
| Obchod na korze | Movie | 1965 | (The Shop on Main Street) |
| Obchodníci | Movie | 2013 | |
| Obcy musi fruwac | Movie | 1993 | (Obcy musi fruwać) |
| Období digitální | Movie made for TV | 1982 | ||
| Obecná skola | Movie | 1991 | (The Elementary School) |
| Oben geblieben ist noch keiner | Movie | 1980 | |
| Ober | Movie | 2006 | (Waiter) |
| Ober, zahlen! | Movie | 1957 | (Hovimestari - lasku) |
| Oberezhno, chervona rtut | Movie | 1995 | |
| Oberst Redl | Movie | 1985 | (Colonel Redl) |
| Oberstadtgass | Movie | 1956 | (In allen Gassen wohnt das Glück) |
| Oběti: Hadí tanec | Movie made for TV | 2005 | |
| Oběti: Jiný člověk | Movie made for TV | 2004 | |
| Oběti: Karambol | Movie made for TV | 2009 | |
| Oběti: Nevlastní bratr | Movie made for TV | 2006 | |
| Oběti: Přepadení | Movie made for TV | 2000 | |
| Oběti: Svědek | Movie made for TV | 2002 | |
| Oběti: Živnostník | Movie made for TV | 2006 | |
| Oběti: Znásilnění | Movie made for TV | 2001 | |
| Obična priča | Movie made for TV | 1989 | |
| Obični ljudi | TV Series | 2006-2007 | (Обични луѓе) |
| Obie Trice feat. Akon: Snitch | Music Video | 2006 | |
| Obiettivo ragazze | Movie | 1963 | |
| Obituary | TV Series | 2023-2025 | (死亡通知) |
| Objectif: 500 millions | Movie | 1966 | |
| Objective, Burma! | Movie | 1945 | (Obiettivo Burma!) |
| Objetivo: BI-KI-NI | Movie | 1969 | |
| Oblaci putuju u Italiju | TV Series | 2006 | |
| Obligations | Short Movie | 1950 | ||
| Obliterated | TV Series | 2023-2026 | |
| Oblivion | Movie | 2013 | |
| Obmen | Mini-Series | 2014 | ||
| Oboreru naifu | Movie | 2016 | |
| Obra maestra | Movie | 2000 | (Masterpiece) |
| Obrana i zaštita | Movie | 2013 | (A Stranger) |
| Obrazki z zycia | Movie made for TV | 1975 | (Obrazki z życia) |
| Observe and Report | Movie | 2009 | (Shopping-Center King - Hier gilt mein Gesetz) |
| Obsessed | Movie | 1977 | (Anna Obsessed) |
| Obsessed | Movie made for TV | 1992 | |
| Obsessed | Movie made for TV | 2002 | |
| Obsessed | Movie | 2009 | (Obsesionada) |
| Obsessio | Movie | 2019 | |
| Obsession | Movie | 1949 | (L'Obsédé) |
| Obsession | Movie | 1954 | (Du sollst nicht töten!) |
| Obsession | Movie | 1976 | (Schwarzer Engel) |
| Obsession(s) | Movie made for TV | 2009 | |
| Obsession: Dark Desires | TV Series | 2013-2020 | |
| Obsluhoval jsem anglického krále | Movie | 2006 | (I Served the King of England) |
| Obsolete | Animation Series | 2019-2020 | |
| Obszönitäten | Movie | 1971 | (Mädchen, die sich lieben lassen) |
| Obvious Child | Movie | 2014 | (Il bambino che è in me - Obvious Child) |
| Obyčejná konská historie | TV Series | 1990 | |
| Obyknovennoye chudo | Movie | 1964 | (Ordinary Wonder) |
| Obywatel swiata | Movie | 1991 | (Obywatel świata) |
| Occamova břitva (Occam's Razor) | Movie made for TV | 2013 | (Occam'ın Usturası) |
| Occhei, occhei | Movie | 1983 | |
| Occhi blu | Movie | 2021 | (Blue Eyes) |