| Birth Place: | Sri Lanka |
| Height: | 168 cm[1] |
| Weight: | 77 kg |
| Sport: | Athletics |
| Event: | 200 m, 400 m |
| Pb: | 200 m – 21.35 (2017) 400 m – 46.36 (2017) |
| Show-Medals: | yes |
Ajith Premakumara Millagaha Gedara (born 12 October 1991) is a sprinter from Sri Lanka who specialises in the 400 m distance. He won silver medals in the 4 × 400 m relay at the 2016 South Asian Games and 2017 Asian Championships; his team placed fourth at the 2018 Asian Games.