Daniel Lynn Dumoulin (born August 20, 1953) is a former Major League Baseball pitcher. He played parts of two seasons, 1977 and 1978, for the Cincinnati Reds. He appeared in a total of eight games, all as a relief pitcher.
Dan Dumoulin
| Given name: | Daniel Lynn Dumoulin |
| Nicknames: | None |
| Primary Pos: | Pitcher |
| Hght/Wght: | 6'0" / 175 lbs |
| Bats/Throws: | R / R |
| Born: | Aug 20, 1953 in Kokomo, IN |
| Age: | 71 |
| Debut: | Sep 5, 1977 |