| Keiichi Kawanaka | |
| Fullname: | Keiichi Kawanaka |
| Strokes: | Butterfly |
| Birth Date: | 10 January 1973 |
| Birth Place: | Kyoto, Japan |
| Weight: | 64kg (141lb) |
(born January 10, 1973, in Kyoto) is a retired male butterfly swimmer from Japan, who represented his native country at the 1992 Summer Olympics. His best result in three starts in Barcelona, Spain was the fifth place (1:58.97) in the Men's 200m Butterfly event.