| Prasanna Sampath Amarasekara | |
| Fullname: | Prasanna Sampath Amarasekara |
| Birth Date: | 21 March 1981 |
| Birth Place: | Sri Lanka |
| Personalbest: | 200 m - 20.80 (2004) 400 m - 45.47 (2005) |
| Updated: | 25 September 2006 |
Prasanna Sampath Amarasekara (born 21 March 1981) is a Sri Lankan track and field sprinter. He participated at the 2002, 2006, and 2010 Commonwealth Games the 2005 Asian Championships in Athletics and the 2005 World Championships in Athletics.