Wijekoon Mudiyanselage Gayan Ramyakumara (more commonly known as Gayan Wijekoon; born December 21, 1976 in Gampaha) is a Sri Lankan cricketer. He is a left-handed batsman and a left-hand medium-pace bowler.Despite having played on several occasions for the Sri Lankan A team, he is yet to make the same impact for his country's full squad, with little but a selection to the New Zealand-touring squad of 2004/05. Before joining the Chilaw Marians, he opened the batting for Tamil Union.