Dilhara is both a given name and a surname. Notable people with the name include:
Ashan Dilhara (born 2000), Sri Lankan cricketer Michelle Dilhara (born 1996), Sri Lankan actress Dilhara Fernando (born 1979), Sri Lankan cricketer Dilhara Lokuhettige (born 1980), Sri Lankan cricketer Dilhara Polgampola (born 1999), Sri Lankan cricketer Dilhara Salgado (born 1983), Sri Lankan archer