The 2015–16 Irish Premier League season was the 43rd running of Basketball Ireland's premier men's basketball competition. The season featured 10 teams from across the Republic of Ireland and Northern Ireland, with the regular season beginning on 3 October 2015 and ending on 6 March 2016. With a first-place finish and a 16–2 win–loss record, UCC Demons were crowned back-to-back league champions,[1][2][3] while 2016 National Cup honours went to Templeogue, who collected their first piece of silverware.[4][5] In the season finale Champions Trophy tournament, Demons took out the title for the fourth straight year.[6]