The 2013–14 NCAA Division I men's basketball season began in November with the 2K Sports Classic and ended with the Final Four in Arlington, Texas April 5–7. It was tipped off by the 2013 Champions Classic on November 12, 2013.

The 2013–14 season saw the largest wave of membership changes resulting from a major realignment of NCAA Division I conferences. The cycle began in 2010 with the Big Ten and the then-Pac-10 publicly announcing their intentions to expand. The fallout from these conferences' moves later affected a majority of D-I conferences. The most significant developments this season were:

In addition, four schools began the transition up from Division II starting this season. These schools will be ineligible for NCAA-sponsored postseason play until completing their D-I transitions in 2017.

The 2013–14 season was also the last for several other teams in their current conferences:

The top 25 from the AP and USA Today Coaches Polls.

A number of early-season tournaments will mark the beginning of the college basketball season.

*Although these tournaments include more teams, only the number listed play for the championship.

Thirty-one athletic conferences each end their regular seasons with a single-elimination tournament. The teams in each conference that win their regular season title are given the number one seed in each tournament. The winners of these tournaments receive automatic invitations to the 2014 NCAA Men's Division I Basketball Tournament. The Ivy League does not have a conference tournament, instead giving their automatic invitation to their regular season champion.

Final Four – AT&T Stadium

For this list, a "major upset" is defined as a win by a team seeded 7 or more spots below its defeated opponent.

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