The Northern Ontario Curling Association is the regional governing body for the sport of curling in Northern Ontario.
Prior to 2007, the region as a whole was governed by the Northern Ontario Curling Federation.
When it comes to curling in Canada, Northern Ontario is treated as if it were a province.
It is the only sub-provincial region that sends teams to the various national championships, though until 2015, the Scotties Tournament of Hearts lacked a separate Northern Ontario team.
Northern Ontario's separate entry exists due to historical precedent.