Chihiro Otsuka is a Japanese actress. Her birth name in kanji is 大塚 千弘, but she transformed her given name into hiragana characters.
| Series | Nagi's Long Vacation | Eguchi Mao | 2019-07-19 |
| Movie | The Moon | 2018-12-13 | |
| Movie | Radiance | Nakamori's Friend #1 | 2017-05-27 |
| Movie | 黒の斜面 | 2016-01-24 | |
| Movie | Front and Back: Final Chapter | 2016-02-06 | |
| Movie | Kyotaro Nishimura's Mystery: Railway Inspector 16 | Sanae Utsumi | 2016-10-08 |
| Movie | Will You Marry My Wife? | Takako Miura | 2016-11-05 |
| Movie | Front and Back | 2015-03-14 | |
| Movie | Koi to onchi no hōteishiki | 2015-01-17 | |
| Series | Seven Detectives | Makoto Takasugi | 2015-07-15 |
| Movie | Front and Back: Chapter 3 | 2015-11-28 | |
| Movie | Front and Back: Chapter 4 | 2015-12-01 | |
| Movie | Front and Back: Chapter 5 | 2015-12-31 | |
| Movie | Front and Back: Chapter 2 | 2015-08-29 | |
| Movie | Tokyo Refugees | Akane Hojo | 2014-02-22 |
| Series | Kumokiri Nizaemon | Unknown | 2013-04-10 |
| Movie | Talk to the Dead | 2013-08-02 | |
| Movie | RoomMate | 2013-11-09 | |
| Movie | Ants and a Love Letter | 2012-03-23 | |
| Series | Keigo Higashino Mysteries | 2012-07-05 | |
| Movie | Sky Blue Story | Sachi | 2011-11-29 |
| Series | HUNTER - Women After Reward Money | Sayuri Nozawa | 2011-10-11 |
| Movie | Partners | 2010-11-06 | |
| Series | 愛の流刑地 | 美和 | 2007-03-20 |
| Movie | The World According to Chocolat | Noriko | 2007-10-13 |
| Series | The Story of Yamada Taro | 中井正美 | 2007-07-06 |
| Series | Into the White Night | Eriko Kawashima | 2006-01-12 |
| Series | Attention Please | Yuki Sekiyama | 2006-04-18 |
| Movie | Female | Hidemi | 2005-05-14 |
| Movie | Godzilla: Final Wars | Shobijin | 2004-12-04 |
| Series | Yakitate!! Japan | Tsukino Azusagawa (voice) | 2004-10-12 |
| Movie | Be with You | Young Mio | 2004-10-30 |
| Movie | Cheers Heaven | 2003-04-03 | |
| Movie | Godzilla: Tokyo S.O.S. | Shobijin | 2003-12-13 |
| Series | Drop-out Teacher Returns to School | Kumiko Sakuta | 2003-10-10 |
| Movie | Dark Water | Reiko | 2002-01-19 |
| Series | 鉄道捜査官 | 内海早苗 | 2000-09-09 |