The 2019 NOCA Men's Provincial Championship, the "provincial" men's curling championship of Northern Ontario was held from January 30th to February 2nd at the in Nipigon, Ontario. The winning team of skip Brad Jacobs, third Ryan Fry, second E.J. Harnden and lead Ryan Harnden represented Northern Ontario at the 2019 Tim Hortons Brier in Brandon, Manitoba, Canada's national men's curling championship. The final was a rematch of the previous year's championship, with Jacobs prevailing once again. Team Jacobs defeated Team Horgan with a final score of 7-5. This was the 11th time that the rink represented Northern Ontario. The event was held in conjunction with the 2019 Northern Ontario Scotties Tournament of Hearts, Northern Ontario's women's championship.