Niluka (; ) is a unisex given name found in Sri Lanka. Notable people with this name include:
Niluka Ekanayake, a Sri Lankan politician and astrologer Niluka Geethani Rajasekara (born 1982), a Sri Lankan long-distance runner Niluka Karunaratne (born 1985), a Sri Lankan badminton player Niluka Karunaratne (cricketer) (born 1979), a Sri Lankan cricket player