The 2024 National Super League 4-Day Tournament was the third edition of the National Super League 4-Day Tournament, a first-class cricket competition that was played in Sri Lanka. The tournament started on 18 January 2024 and the final match ended on 3 May 2024. Five district cricket teams took part in the competition, organized by the Sri Lanka Cricket (SLC). In January 2024, the SLC confirmed the fixtures for the tournament.