Dedunu Gunaratne is a Sri Lankan former cricketer who played as a right-handed batter. She appeared in one Test match and two One Day Internationals for Sri Lanka in 1998.
| Format | Matches | Runs | Avg | 100s/50s | Top Score | Catches/St |
| WTest | 1 | 55 | 27.50 | 0/0 | 29 | 0/– |
| WODI | 2 | 72 | 72.00 | 0/1 | 57* | 0/– |
