Aya Omasa is a Japanese film and television actress.
| Movie | All Lives | 2024-05-06 | |
| Series | Ideal Boyfriend | Yumeko Onodera | 2022-06-01 |
| Series | SPECサーガ黎明編『Knockin'on 冷泉's SPEC Door』~絶対預言者 冷泉俊明が守りたかった幸福の欠片~ | Akagi Misato | 2021-02-18 |
| Series | Hitori de Nomeru mon! | 2021-06-04 | |
| Series | The Scales of Justice | Miyuki Kiryu | 2021-09-25 |
| Series | Crescent Moon | Oshima Ran | 2019-01-26 |
| Series | Mistress | Juri Mizushima | 2019-04-19 |
| Movie | Perfect World | Miki Yukimura | 2018-10-05 |
| Movie | Reon | Sarina | 2018-02-24 |
| Series | Descending Stories: A Life In Rakugo | Miyokichi | 2018-10-12 |
| Movie | Cosmetic Wars | Akane Misawa | 2017-03-11 |
| Movie | Policeman and Me | Fumi Komori | 2017-03-25 |
| Movie | My Long Awaited Love Story | Haruka Momose | 2017-12-23 |
| Series | It's Not That I Can't Get Married, I Just Don't Do It | 2016-04-15 | |
| Series | Doubutsu Peace | 2016-09-30 | |
| Series | Hayashi-sensei no Hatsumimi-gaku | 2015-04-05 | |
| Series | Flowers for Algernon | Mai Koide | 2015-04-10 |
| Series | 眠れぬ真珠 | 2015-04-22 | |
| Series | Night School Teacher, SAKURA | Runa Uena(上奈 瑠奈) | 2014-01-17 |
| Series | Nezumi-Kozo, Running Around Edo | Osato | 2014-01-09 |
| Movie | Kamen Teacher: The Movie | Miki Ichimura | 2014-02-22 |
| Series | Water Polo Yankees | Chiharu Aoyama | 2014-07-12 |
| Series | Undercover Agent Lizard | Mizuki Nagata | 2013-04-18 |
| Series | Kamen Teacher | Miki Ichimura | 2013-07-07 |
| Series | Vampire Heaven | Sakurako | 2013-12-04 |
| Series | Strawberry Night | Miki Shimosaka | 2012-01-10 |
| Series | The Holy Monsters | Yoko Hirai | 2012-01-19 |
| Series | Resident: Story of 5 Interns | Koiwai Hinako | 2012-10-18 |
| Series | Mysteries of Detective Cat HOLMES | Harumi Katayama | 2012-04-14 |
| Movie | Mobile Detectives: The Movie 3 | Kai | 2011-02-05 |
| Series | Misaki Number One!! | Yui Sakurai | 2011-01-12 |
| Movie | Paradise Kiss | Miwako Sakurada | 2011-06-04 |
| Series | Rokudenashi BLUES | Chiaki Nanase | 2011-07-06 |
| Series | Kaitō Royale | Karen Katagiri | 2011-10-28 |
| Series | The Wallflower | Nakahara Sunako | 2010-01-15 |
| Movie | A Liar and a Broken Girl | Mayu Misono | 2010-10-25 |
| Series | Beautiful Love | Hinata | 2010-06-04 |
| Series | Mei's Butler | Kayama Rika | 2009-01-13 |
| Series | Buzzer Beat | Yuri Kamiya | 2009-07-13 |
| Movie | Topless | Kana | 2008-06-07 |
| Movie | New Type: Just For Your Love | Yuri Tsugino | 2008-11-22 |
| Movie | Tales of Terror: Buun | 2008-07-09 | |
| Series | Homeroom on the Beachside | Yukino Tsugihara | 2008-07-21 |
| Series | BOYS OVER FLOWERS | Class 3-C | 2005-10-21 |