The University of Sri Lanka (, ) was a public university in Sri Lanka. Established in 1972 by amalgamating the four existing universities, it was the only university in Sri Lanka from 1972 until 1978. The university was based at six campuses in Colombo, Peradeniya, Sri Jayewardenepura, Kelaniya, Moratuwa and Jaffna. The university was dissolved in 1978 and its six campuses became independent universities.