Dunil Abeydeera (full name Ruchintha Dunilkumara Abeydeera; born 28 September 1984) is a former Sri Lankan cricketer. He was born in Colombo. He played for the Sinhalese Sports Club, the Singha Sports Club and the Badureliya Sports Club teams in the domestic game and internationally he played for the under-19s in 2003. He was a bowler in 53 first-class matches from the 2005–06 season to 2009–10 and took exactly 100 wickets. He bowled slow left-arm orthodox spin but was a right-handed batsman. His best bowling was 5–20 and his highest score was 47 runs.