| Dimitrios Mousiaris | |
| Birth Date: | 1959 |
| Birth Place: | Larissa, Greece |
| Death Place: | Thiva, Greece |
| Position: | Attacking midfielder |
| Youthclubs1: | Damasiakos |
| Years1: | 1977–1979 |
| Clubs1: | AEL |
| Caps1: | 64 |
| Goals1: | 10 |
| Nationalteam2: | Greece U-21 |
Dimitris Mousiaris was a Greek football player, one of the greatest talents of the 1970s. He played, as a professional, only for his hometown team AEL from 1977 to 1979, earning 64 caps and scoring 10 goals. He was a part of U-19 and U-21 Greece national teams and he was recognized by the great Mimis Domazos as his heir apparent.
Mousiaris died in a car accident in Thiva on 6 September 1979, along with his teammate Dimitrios Koukoulitsios. He was only 20. In the car was also Giannis Valaoras, who survived and became one of AEL's all-time best players.