Weeraratne is a Sri Lankan surname. Notable people with the surname include:

Chandula Weeraratne (born 1995), Sri Lankan cricketer Iraj Weeraratne (born 1981), Sri Lankan rapper and songwriter Kaushalya Weeraratne (born 1981), Sri Lankan cricketer Sangeetha Weeraratne (born 1973), Sri Lankan actress