List of NCAA Division I men's basketball season blocks leaders

In basketball, a block (short for blocked shot) occurs when a defender deflects or stops a field goal attempt without committing a foul. The National Collegiate Athletic Association's (NCAA) Division I block title is awarded to the player with the highest blocks per game average in a given season. The block title was first recognized in the 1985–86 season when statistics on blocks were first compiled by the NCAA.

David Robinson of Navy holds the all-time NCAA Division I record single-season blocks record (207) which was set during 1985–86, coincidentally the first season that the NCAA kept track of blocked shots. Although Robinson holds the single-season record, it is Jarvis Varnado of Mississippi State who claims the all-time career blocked shots record (564). The highest single-season blocks per game (bpg) record is held by Northeastern's Shawn James, who averaged 6.53 blocks in 2005–06.

Four players have been two-time NCAA blocks leaders: David Robinson (1986, 1987), Keith Closs (1995, 1996), Tarvis Williams (1999, 2001) and Jarvis Varnado (2008, 2009). Additionally, six freshmen have led Division I in blocks: Alonzo Mourning (1989), Shawn Bradley (1991), Keith Closs (1995), Hassan Whiteside (2010), Anthony Davis (2012), and Chris Obekpa (2013). Among all-time NCAA blocks leaders, only Robinson, Mourning, and Shaquille O'Neal are members of the Naismith Memorial Basketball Hall of Fame.

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