The 2016–17 Irish Super League season was the 44th running of Basketball Ireland's premier men's basketball competition. The season featured 12 teams from across the Republic of Ireland and Northern Ireland, with the regular season beginning on 23 September 2016 and ending on 19 March 2017. During the 2016 off-season, Basketball Ireland expanded its top flight men's league to 12 teams, with new team Tralee Warriors entering and Dublin side KUBS being granted promotion from the Men's Division One. With a first-place finish and a 20–2 win–loss record, Templeogue were crowned league champions for the first time in their history. 2017 National Cup honours went to Swords Thunder, who collected their first piece of silverware in the top flight league, while Tralee were crowned the winners of the season finale Champions Trophy tournament after defeating Templeogue in the final.