The 2017–18 Irish Super League season was the 45th 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 15 September 2017 and ending on 17 March 2018[1][2] with UCD Marian claiming their first title in 40 years.[3]Templeogue were victorious in the National Cup, while Tralee Warriors defended their Champions Trophy title.
A regular season play-off final was scheduled after Killester and UCD Marian finished joint first at the top of the table with 17 wins and five losses.[4]