| 1990–91 NCAA Division I men's basketball rankings | |||||
|---|---|---|---|---|---|
| Season | 1990–91 | ||||
| NCAA Tournament | 1991 | ||||
| Preseason #1 | UNLV | ||||
| NCAA Tournament Champions | Duke | ||||
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The 1990–91 NCAA Division I men's basketball rankings was made up of two human polls, the AP Poll and the Coaches Poll, in addition to various other preseason polls.