| Keigo Shimizu | |
| Native Name: | 清水啓吾 |
| Native Name Lang: | jpn |
| Birth Date: | 2 July 1939 |
| Strokes: | Freestyle |
(born 2 July 1939) is a Japanese swimmer and Olympic medallist. He participated at the 1960 Summer Olympics in Rome, winning a bronze medal in 4 x 100 metre medley relay.[1]