| Dimitrios Koulouris | |
| Nationality: | Greek |
| Strokes: | Breaststroke |
| Club: | Panathinaikos |
| Birth Date: | 22 April 1991 |
| Height: | 183cm |
| Weight: | 79kg |
Dimitrios Koulouris (born 22 April 1991) is a Greek swimmer. He competed in the men's 200 metre breaststroke event at the 2016 Summer Olympics.[1] He finished 35th in the heats with a time of 2:14.86. He did not qualify for the semifinals.[2]