| Matti Mäki | |
| Fullname: | Matti Mäki |
| Strokes: | Backstroke |
| Club: | Simmis United |
| Birth Date: | 17 March 1982 |
| Birth Place: | Oulu |
| Weight: | 87kg (192lb) |
Matti Mäki (born March 17, 1982, in Oulu) is a male backstroke swimmer from Finland. He competed for his native country at the 2004 Summer Olympics in Athens, Greece.