The 2015–16 SEC men's basketball season began with practices in October 2015, followed by the start of the 2015–16 NCAA Division I men's basketball season in November. Conference play started in early January 2016 and concluding in March, after which 13 member teams had participated in the 2016 SEC tournament at Bridgestone Arena in Nashville, Tennessee, with the tournament champion being guaranteed selection to the 2016 NCAA tournament.

The 2016 NCAA Division I men's basketball tournament involved 68 teams playing in a single-elimination tournament to determine the men's National Collegiate Athletic Association (NCAA) Division I college basketball national champion for the 2015–16 season. The 78th edition of the Tournament began on March 15, 2016, and concluded with the championship game on April 4 at NRG Stadium in Houston, Texas. This was the first NCAA tournament to adopt the NCAA March Madness branding, including fully-branded courts at each of the tournament venues.