2017–18 SLC Twenty20 Tournament

It was played between domestic teams in Sri Lanka, with the tournament starting on 24 February 2018 and concluding on 8 March 2018.

[1] The matches were used as preparation for the 2018 Nidahas Trophy.

[2] Following the conclusion of the group stage, Colombo Cricket Club, Tamil Union Cricket and Athletic Club, Sri Lanka Army Sports Club and Nondescripts Cricket Club progressed to the quarterfinals.

[3] Nondescripts Cricket Club won the tournament, after they beat Colombo Cricket Club by six runs in the final.

[4] In February 2019, Sri Lanka Cricket named Ruvindu Gunasekara as the tournament's Best Batsman, Lasith Malinga as the Best Bowler and Chaturanga de Silva as the Player of the Tournament.