The 2013 Canadian Soccer League season was the 16th since its establishment where a total of 21 teams from Ontario took part in the league. The season began on May 3, 2013, and concluded on November 3, 2013. SC Waterloo captured their first championship in a 3–1 victory over regular season champions Kingston FC in the CSL Championship final at Kalar Sports Park in Niagara Falls, Ontario. Waterloo became the first club to win both the First and Second Division championships in one season. While Toronto Croatia B won the second division regular season title.