The 2019–20 SLC Twenty20 Tournament was a Twenty20 cricket tournament that was held in Sri Lanka. It was played between twenty-six domestic teams in Sri Lanka, with the tournament running from 4 to 21 January 2020. Moors Sports Club were the defending champions. Colombo Cricket Club won the tournament, after they beat Chilaw Marians Cricket Club by four wickets in the final, with the winning runs coming from the final ball of the match.