Greshan Dananjaya is a Sri Lankan field athlete specializing in the Triple jump.

He holds the current Sri Lankan record for the event with a jump of 16.71 m (-0.5 m/s) at the 2019 Sri Lankan National Trials in the Sugathadasa Stadium, Colombo.

[1] This passing the 2016 South Asian Games record of (16.45 M) Renjith Maheshwary of India.

[2] Dananjaya is a product of Joseph Vaz College, and represent the Sri Lanka Army Sports Club locally.

This biographical article relating to Sri Lankan athletics is a stub.