Wijekoon is a surname. Notable people with the surname include:
Chaminda Indika Wijekoon (born 1981), Sri Lankan runner Gayan Wijekoon (born 1976), Sri Lankan cricketer Nancy Wijekoon, Sri Lankan poet Niroshan Wijekoon (born 1964), Sri Lankan badminton player Piyadasa Wijekoon (1940–2003), Sri Lankan actor Subasinghe Wijekoon (born 1963), Professor of Sociology