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.

Legend   Increase in ranking   Decrease in ranking   New to rankings from previous week Italics   Number of first place votes (#–#)   Win–loss record т Tied with team above or below also with this symbol

AP Poll

Coaches Poll The Coaches poll expanded to 25 teams beginning with the 1990–91 season.

References