| Country | Title | Year | Avg. (nb) | ||
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| India | Oththa Seruppu Size 7 | Oththa Seruppu Size 7 | 2019 | 3 (1 Reviews) | |
| Indonesia | Opera Jawa | 2006 | 3.5 (3 Reviews) | ||
| One day when the rain falls | Rumah dan musim hujan | 2012 | 2 (1 Reviews) | ||
| Japan | Outrage | アウトレイジ | 2010 | 3.18 (30 Reviews) | |
| Onibaba | Onibaba | 1964 | 4.07 (23 Reviews) | ||
| Street Mobster | Gendai yakuza : hitokiri Yota | 1972 | 3.79 (21 Reviews) | ||
| On Your Mark | On Your Mark | 1995 | 3.7 (20 Reviews) | ||
| Otakus in Love | Koi no mon | 2004 | 2.75 (17 Reviews) | ||
| Angel's Egg | Tenshi no Tamago | 1985 | 3.88 (14 Reviews) | ||
| Origine | 銀色の髪のアギト | 2006 | 2.79 (12 Reviews) | ||
| Where are the dreams of youth? | Seishun no Yume Imaizuko | 1932 | 3.41 (11 Reviews) | ||
| Oishi Man | 오이시맨 | 2008 | 3.42 (9 Reviews) | ||
| Oneechanbara : The Movie | お姉チャンバラ The Movie | 2008 | 3.11 (9 Reviews) | ||
| Owls' Castle | Fukuro no shiro | 1999 | 2.94 (9 Reviews) | ||
| Violence at Noon | Hakuchu no torima | 1966 | 4.08 (9 Reviews) | ||
| Outlaw Killers: 3 Mad Dogs Brothers | Hito-kiri Yota: Kyoken San-kyodai | 1972 | 3.46 (7 Reviews) | ||
| Orochi | おろち | 2008 | 2.08 (6 Reviews) | ||
| One Million Yen and the Nigamushi Woman | 百万円と苦虫女 | 2008 | 3.62 (6 Reviews) | ||
| Oyuki, the Madonna | Maria no Oyuki | 1935 | 3.17 (6 Reviews) | ||
| Organ | Organ | 1996 | 3.25 (6 Reviews) | ||
