# National Invitation Tournament 1991

El National Invitation Tournament 1991 fue la quincuagésimo cuarta edición del National Invitation Tournament. La disputaron 32 equipos, celebrándose la fase final de la competición en el Madison Square Garden de Nueva York. El ganador fue la Universidad de Stanford, que lograba su primer título en esta competición.

## Equipos

Participantes :
| Arkansas State | Ball State | Boise State | Bowling Green |
| Butler | Cincinnati | Colorado | Coppin State |
| Fairleigh Dickinson | Fordham | Furman | George Washington |
| Houston | James Madison | La Salle | Massachusetts |
| Memphis | Michigan | Oklahoma | Providence |
| Rice | Siena | South Carolina | South Florida |
| Southern Illinois | Southwest Missouri State | Stanford | Tulsa |
| UAB | West Virginia | Wisconsin | Wyoming |

## Fase final

Cuadro final de resultados.
| Primera ronda | Primera ronda | Primera ronda | Segunda ronda | Segunda ronda | Segunda ronda | Cuartos de final | Cuartos de final | Cuartos de final |
| Providence | Providence | 98 | | | |
| James Madison | James Madison | 93 | | | |
| James Madison | James Madison | 93 | Providence | Providence | 85 |
| | | | West Virginia | West Virginia | 79 |
| West Virginia | West Virginia | 86 | West Virginia | West Virginia | 79 |
| Furman | Furman | 67 | | | |
| Furman | Furman | 67 | | | | Providence | Providence | 74 |
| | | | | | | Oklahoma | Oklahoma | 83 |
| Cincinnati | Cincinnati | 82 | | | | | | | Oklahoma | Oklahoma | 83 |
| Ball State | Ball State | 55 | | | |
| Ball State | Ball State | 55 | Cincinnati | Cincinnati | 81 |
| | | | Oklahoma | Oklahoma | 89 |
| Oklahoma | Oklahoma | 111 | Oklahoma | Oklahoma | 89 |
| Tulsa | Tulsa | 86 | | | |
| Primera ronda | Primera ronda | Primera ronda | Segunda ronda | Segunda ronda | Segunda ronda | Cuartos de final | Cuartos de final | Cuartos de final |
| Colorado | Colorado | 71 | | | |
| Michigan | Michigan | 64 | | | |
| Michigan | Michigan | 64 | Colorado | Colorado | 83 |
| | | | Wyoming | Wyoming | 75 |
| Wyoming | Wyoming | 63 | Wyoming | Wyoming | 75 |
| Butler | Butler | 61 | | | |
| Butler | Butler | 61 | | | | Colorado | Colorado | 81 |
| | | | | | | Arkansas State | Arkansas State | 75 |
| Memphis | Memphis | 82 | | | | | | | Arkansas State | Arkansas State | 75 |
| UAB | UAB | 76 | | | |
| UAB | UAB | 76 | Memphis | Memphis | 57 |
| | | | Arkansas State | Arkansas State | 58 |
| Arkansas State | Arkansas State | 78 | Arkansas State | Arkansas State | 58 |
| Rice | Rice | 71 | | | |
| Primera ronda | Primera ronda | Primera ronda | Segunda ronda | Segunda ronda | Segunda ronda | Cuartos de final | Cuartos de final | Cuartos de final |
| Massachusetts | Massachusetts | 93 | | | |
| La Salle | La Salle | 90 | | | |
| La Salle | La Salle | 90 | Massachusetts | Massachusetts | 78 |
| | | | Fordham | Fordham | 74 |
| Fordham | Fordham | 76 | Fordham | Fordham | 74 |
| South Florida | South Florida | 66 | | | |
| South Florida | South Florida | 66 | | | | Massachusetts | Massachusetts | 82 |
| | | | | | | Siena | Siena | 80 |
| South Carolina | South Carolina | 69 | | | | | | | Siena | Siena | 80 |
| George Washington | George Washington | 63 | | | |
| George Washington | George Washington | 63 | South Carolina | South Carolina | 58 |
| | | | Siena | Siena | 63 |
| Siena | Siena | 90 | Siena | Siena | 63 |
| Fairleigh Dickinson | Fairleigh Dickinson | 85 | | | |
| Primera ronda | Primera ronda | Primera ronda | Segunda ronda | Segunda ronda | Segunda ronda | Cuartos de final | Cuartos de final | Cuartos de final |
| Southern Illinois | Southern Illinois | 75 | | | |
| Boise State | Boise State | 74 | | | |
| Boise State | Boise State | 74 | Southern Illinois | Southern Illinois | 72 |
| | | | SW Missouri State | SW Missouri State | 69 |
| SW Missouri State | SW Missouri State | 57 | SW Missouri State | SW Missouri State | 69 |
| Coppin State | Coppin State | 47 | | | |
| Coppin State | Coppin State | 47 | | | | Southern Illinois | Southern Illinois | 68 |
| | | | | | | Stanford | Stanford | 78 |
| Wisconsin | Wisconsin | 87 | | | | | | | Stanford | Stanford | 78 |
| Bowling Green | Bowling Green | 79 | | | |
| Bowling Green | Bowling Green | 79 | Wisconsin | Wisconsin | 72 |
| | | | Stanford | Stanford | 80 |
| Stanford | Stanford | 93 | Stanford | Stanford | 80 |
| Houston | Houston | 86 | | | |

### Semifinales y Final

| Semifinales | Semifinales | Semifinales | Final | Final | Final |
| Oklahoma | Oklahoma | 88 |
| Colorado | Colorado | 78 |
| Colorado | Colorado | 78 | Oklahoma | Oklahoma | 72 |
| | | | Stanford | Stanford | 78 |
| Massachusetts | Massachusetts | 71 | Stanford | Stanford | 78 |
| Stanford | Stanford | 78 |
| Tercer y cuarto puesto | Tercer y cuarto puesto | Tercer y cuarto puesto |
| Colorado | Colorado | 98 |
| Massachusetts | Massachusetts | 91 |
* Campeón del NIT 1991
* Stanford Cardinal 1.er título