2025 National Super League 4-Day Tournament
| Dates | 13 March – 30 April 2025 |
|---|---|
| Administrator(s) | Sri Lanka Cricket |
| Cricket format | First-class |
| Tournament format(s) | Round-robin and final |
| Host(s) | Sri Lanka |
| Participants | 5 |
| Matches | 11 |
The 2025 National Super League 4-Day Tournament is the third edition of the National Super League 4-Day Tournament, a first-class cricket competition that is being played in Sri Lanka. The tournament started on 13 March 2025 and the final match is scheduled to end on 30 April 2025. Five district cricket teams are taking part in the competition, organized by the Sri Lanka Cricket (SLC). In March 2025, the SLC confirmed the fixtures for the tournament.