| Keisuke Ota | |
| Fullname: | Keisuke Ota |
| Birth Date: | 10 July 1989 |
| Birth Place: | Okazaki, Aichi, Japan |
| Currentclub: | SC Kapellen-Erft |
| Position: | Midfielder |
| Youthyears1: | 2005–2007 |
| Youthclubs1: | Nagoya Grampus Eight |
| Youthyears2: | 2008–2011 |
| Youthclubs2: | Tokyo Gakugei University Football |
| Years1: | 2012–2013 |
| Clubs1: | Kamatamare Sanuki |
| Caps1: | 17 |
| Goals1: | 1 |
| Years2: | 2014–2015 |
| Caps2: | 16[1] |
| Goals2: | 0 |
| Years3: | 2015 |
| Caps3: | 12 |
| Goals3: | 0 |
| Years4: | 2015– |
| Caps4: | 34 |
| Goals4: | 13 |
is a professional Japanese football player who currently plays for SC Kapellen-Erft as a midfielder.