| Jonas Motiejūnas | |
| Nationality: | Lithuanian |
| Sport: | Sprinting |
| Event: | 400 metres |
| Birth Date: | 7 December 1974 |
Jonas Motiejūnas (born 7 December 1974) is a Lithuanian sprinter. He competed in the men's 400 metres at the 2000 Summer Olympics.[1]
Running for the Georgia Tech Yellow Jackets track and field team, Motejunas won the 1994 and 1998 4 × 400 meter relay at the NCAA Division I Outdoor Track and Field Championships.[2]