List of all movies and TV series
| OSS 77: Operazione fior di loto | Movie | 1965 | (OSS 77 - operaatio Lootuskukka) |
| Oss baroner emellan | Movie | 1939 | (Vi baroner) |
| Oss emellan | Movie | 1969 | |
| Oss fotgjengere imellom | Documentary | 1953 | |
| Ossessione | Movie | 1943 | (Obsession) |
| Ossessione fatale | Movie | 1991 | (Dangerous Game) |
| Ossi's Eleven | Movie | 2008 | |
| Ostanniy bunker | Movie | 1991 | |
| Ostansya | Movie | 1992 | ||
| Ostatni dzwonek | Movie | 1989 | (The Last Schoolbell) |
| Ostatni etap | Movie | 1947 | (The Last Stop / The Last Stage) |
| Ostatni klaps | Movie | 2015 | |
| Ostatni kurs | Movie | 1963 | (The Last Ride) |
| Ostatni po Bogu | Movie | 1968 | (Last After the God) |
| Ostatnia akcja (The Last Action) | Movie | 2009 | |
| Ostatnia misja | Movie | 2000 | (Utolsó küldetés) |
| Ostatnia rodzina | Movie | 2016 | (The Last Family) |
| Ostavljeni | Movie | 2010 | (The Abandoned) |
| Österreich 1938 in Farbe | Documentary | 2008 | |
| Osterspaziergang | Short Movie | 1959 | |
| Ostfriesenhölle | Movie made for TV | 2025 | (Les empoisonneurs) |
| Ostia | Movie | 1970 | |
| Ostia: Panda Bianca | Music Video | 2024 | ||
| Ostinato destino | Movie | 1992 | |
| Ostorozhno, Zadov | TV Series | 2004-2006 | |
| Ostravak Ostravski | Movie | 2016 | |
| Ostre sledované vlaky | Movie | 1966 | (Ostře sledované vlaky) |
| Ostrov pogibshikh korabley | Movie | 1987 | |
| Ostrożnie, Yeti! | Movie | 1961 | (Beware of Yeti!) |
| Ostrým nožom | Movie | 2019 | |
| Ostwind | Movie | 2013 | (Windstorm) |
| Ostwind 2 | Movie | 2015 | (Windstorm 2) |
| Ostwind 3: Aufbruch nach Ora | Movie | 2017 | (Windstorm - Ritorno alle origini) |
| Ostwind: Aris Ankunft | Movie | 2019 | |
| Ostzone | Movie | 2016 | |
| Osveta | Movie | 1986 | (Revenge) |
| Osvobození Prahy | Movie | 1978 | (Die Befreiung Prags) |
| Öt férfi komoly szándékkal | Movie made for TV | 1972 | |
| Ot nishto neshto | Movie | 1979 | (Something Out of Nothing) |
| Ota ala nar | Movie | 1977 | (A Cat on Fire) |
| Otac | Movie | 2020 | (Father) |
| Otac na sluzbenom putu | Movie | 1985 | (When Father Was Away on Business) |
| Otages (Hostages) | Movie made for TV | 2009 | |
| Otalia de Bahia | Movie | 1976 | |
| Otan oi rodes horevoun | Movie | 1984 | |
| Otar khagher | Movie | 1986 | (Strange Games) |
| Otchiy bereg | TV Series | 2017 | (Ancestral Land) |
| Otdel 'S.S.S.R.' | TV Series | 2012 | (Отдел С.С.С.Р.) |
| Otdelnoe poruchenie | Movie | 2012 | ||
| Otec ma zderie tak či tak | Movie | 1980 | |
| Otec neznámý | Movie made for TV | 2001 | |
| Otecko sa mi nepáči | TV Series | 1991 | |
| Otel mertvetsov | Movie | 2013 | |
| Otel otagi | Movie | 1998 | |
| Otesánek (Greedy Guts) | Movie | 2000 | (El pequeño Otik) |
| Ôtez-moi d'un doute | Movie | 2017 | (Eine bretonische Liebe) |
| Othello | Movie made for TV | 2001 | |
| Other People | Movie | 2016 | |
| Other People's Money | Movie | 1991 | (Das Geld anderer Leute) |
| Otherhood | Movie | 2019 | (Más que madres) |
| Otherworld | TV Series | 1985 | |
| Oti thelei o laos | Movie | 1964 | |
| Otis | Movie | 2008 | |
| Otje | Mini-Series | 1998 | |
| Otklonenie | Movie | 1967 | (Auf Umwegen) |
| Otley | Movie | 1969 | (Otley - Espion malgré lui) |
| Otmashtenie | Movie made for TV | 2000 | ||
| Otobüs | Movie | 1975 | (Otobus) |
| Otogiriso | Movie | 2001 | (St. John's Wort) |
| Otohime Connection | Animation Movie | 1991 | (Princess Connection) | |
| Otok ljubavi | Movie | 2014 | (Die Liebensinsel) |
| Otoko no ikari o buchimakero | Movie | 1960 | (The Lost Diamond) |
| Otoko wa tsurai yo: Boukyou hen | Movie | 1970 | (Tora-san's Runaway) |
| Otoko wa tsurai yo: Funto hen | Movie | 1971 | (Tora-san, the Good Samaritan) |
| Otoko wa tsurai yo: Haikei, Kuruma Torajiro sama | Movie | 1994 | (Tora-san 47) |
| Otoko wa tsurai yo: Junjô hen | Movie | 1971 | (Tora-san's Shattered Romance) |
| Otoko wa tsurai yo: Naniwa no koi no Torajirô | Movie | 1981 | (Tora-san's Love in Osaka) |
| Otoko wa tsurai yo: Shiretoko bojô | Movie | 1987 | (Tora-san Goes North) |
| Otoko wa tsurai yo: Torajiro haibisukasu no hana tokubetsu-hen | Movie | 1997 | (Torasan Goes to Hisbiscus Land) |
| Otoko wa tsurai yo: Torajiro monogatari | Movie | 1987 | (Tora-san Plays Daddy) |
| Otoko wa tsurai yo: Torajiro no endan | Movie | 1993 | (Tora-san 46) |
| Otoko wa tsurai yo: Torajiro no kokuhaku | Movie | 1991 | (Tora-san Confesses) |
| Otoko wa tsurai yo: Torajiro no seishun | Movie | 1992 | (Tora-San Makes Excuses) |
| Otoko wa tsurai yo: Torajiro wagamichi wo yuku | Movie | 1978 | (Stage-struck Tora-san) |
| Otoko wa tsurai yo: Watashi no tora-san | Movie | 1973 | (Tora-San Goes French) |
| Otoko wa tsurai: Boku no ojisan | Movie | 1989 | (Tora-san, My Uncle) |
| Otoko-tachi no Yamato | Movie | 2005 | (Yamato) |
| Otokonokao wa rirekisho | Movie | 1966 | (A Man's Face Shows His Personal History) |
| Otome Dori | Animation Series | 2012 | ||
| Otona no miru ehon - Umarete wa mita keredo | Movie | 1932 | (I Was Born, But...) |
| Otoshiana | Movie | 1962 | (Kashi to kodomo) |
| Otoshimono | Movie | 2006 | (Ghost Train) |
| Otra esperanza | Movie | 1984 | |
| Otrazheniye | Movie | 1998 | |
| Otro destino | Documentary | 2003 | |
| Otro verano | Movie | 2013 | |
| Otros días vendrán | Movie | 2005 | |
| Otryad | TV Series | 2008 | |
| Otryv | Movie | 2019 | |
| Otryv po polnoy | Movie | 2007 | (Osobennosti natsionalnoy podlednoy lovli ili Otryv po polnoy) |