Dhanushka Gunathilleke (born Mashtayage Dhanushka Gunathilleke on 17 March 1991) is a Sri Lankan cricketer. He is a left-handed batsman and right-arm medium-fast bowler who plays for Colombo. He was born in Panadura.
Gunathilleke made his cricketing debut in the 2007-08 Inter-Provincial Twenty20 tournament for Sri Lanka Schools, alongside fellow Colts Cricket Club player Kushal Perera.
Gunathilleke made his List A debut for Colombo Cricket Club against Sinhalese Sports Club in 2009-10, scoring a single run.