| Tournament details | |
|---|---|
| City | New York City |
| Venue(s) | Madison Square Garden |
| Teams | 8 |
| Final positions | |
| Champions | St. John's Redmen (1st title) |
| Runner-up | Toledo Rockets |
| Semifinalists | |
| Tournament statistics | |
| MVP | Harry Boykoff (St. John's) |
The 1943 National Invitation Tournament was the 1943 edition of the annual NCAA college basketball competition.