Hettige Don Rumesh Lahiru Thirimanne, known as Lahiru Thirimanne (Sinhala: හෙට්ටිගේ දොන් රුමේෂ් ළහිරු තිරිමාන්න; born 9 August 1989) is a Sri Lankan international cricketer, and a former ODI captain. He is a left-handed opening batsman and a right-arm medium-fast bowler. He had also acted as a vice-captain of the Sri Lanka One Day International team, when he was dropped from the team after poor performances. He was recalled in 2018 for the national team.