2018 Renwick Cup

The 2018 Renwick Cup is the men's Senior "AAA" championship for the province of Ontario. The tournament was scheduled to be held in late March and/or Early April 2018 at the home rink of the Allan Cup Hockey Playoff champion and will match up the independent Kenora Thistles (affiliated with Hockey Northwestern Ontario) and the 2018 Allan Cup Hockey playoff champions (affiliated with the Ontario Hockey Federation) in a best-of-three series to determine the region's participant in the 2018 Allan Cup being held at the Saskcan Centre in Rosetown, Saskatchewan April 9-14, 2018.

The Kenora Thistles had announced they were ceasing operations on January 10, 2016. The team announced their return to active play for the 2017-18 season.

Traditionally the Senior "AAA" champions of Hockey Northwestern Ontario, Northern Ontario Hockey Association and the Ontario Hockey Federation have competed for the Renwick Cup but HNO has been reduced to one team, the NOHA has not had any teams and Allan Cup Hockey has had the only other teams at the Senior AAA level in the province.

In late September the Kenora Thistles folded prior to beginning play for the 2017-18 season and the Renwick Cup will not be held for 2018 as all of the remaining registered Senior AAA teams in the province are now members of Allan Cup Hockey and the league playoffs will now double as the qualifier for the 2018 Allan Cup.