1956 National Invitation Tournament
The 1956 National Invitation Tournament was the 1956 edition of the annual NCAA college basketball competition.
Selected teams
Below is a list of the 12 teams selected for the tournament. The top four teams are seeded and receive a bye for the first round.| Participants | Seed |
| Dayton | 1 |
| Louisville | 2 |
| Saint Joseph's | 3 |
| Niagara | 4 |
| Duquesne | |
| Lafayette | |
| Marquette | |
| Oklahoma A&M | |
| St. [Francis Brooklyn Terriers men's basketball|St. Francis (NY)] | |
| Saint [Louis University (United States)|Saint Louis] | |
| Seton [Hall University|Seton Hall] | |
| Xavier |