| Country | Title | Year | Avg. (nb) | ||
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| Japan | The Uchôten Hotel | THE 有頂天ホテル | 2006 | 3.25 (4 Reviews) | |
| Unfair: The Movie | アンフェア | 2007 | 1.38 (2 Reviews) | ||
| United Red Army | Jitsuroku Rengô Sekigun: Asama sansô e no Michi | 2007 | 3.45 (14 Reviews) | ||
| Underwater Love | Onna no kappa | 2011 | 3.08 (3 Reviews) | ||
| Usagi Drop | Usagi Drop | 2011 | 4 (1 Reviews) | ||
| Unforgiven | 2013 | 2.5 (2 Reviews) | |||
| Unfair : The End | 2015 | 1.75 (1 Reviews) | |||
| Underdog: Part Two | 2020 | 2 (1 Reviews) | |||
| Underdog: Part One | 2020 | 3 (1 Reviews) | |||
| Korea | Under the sky of Seoul | Seoul-ui jibung-mit | 1961 | 3.25 (1 Reviews) | |
| The Uprising | 이재수의 난 | 1999 | 3.25 (2 Reviews) | ||
| Unborn but Forgotten | 하얀 방 | 2002 | 1.75 (3 Reviews) | ||
| Untold Scandal | 스캔들 - 조선남녀상열지사 | 2003 | 3.07 (18 Reviews) | ||
| The Unforgiven | 용서받지 못한 자 | 2005 | 2.98 (12 Reviews) | ||
| Untold Story: The Red Forest | 전설의 고향 - 쌍둥이자매비사 | 2006 | 2.25 (3 Reviews) | ||
| Underground Rendezvous | 만남의 광장 | 2007 | 2 (1 Reviews) | ||
| Untitled | 2007 | 0.5 (1 Reviews) | |||
| Unfamiliar Dreams | 2008 | 1.5 (1 Reviews) | |||
| The Unjust | 부당거래 | 2010 | 3.19 (13 Reviews) | ||
| Right Now, Wrong Then | 2015 | 3.5 (4 Reviews) | |||
