2021 Canadian Premier League season

[1] The season was planned to commence on May 22, the Victoria Day weekend, pending the approval of government authorities and the state of the COVID-19 pandemic in Canada.

If a match reached extra time, each team was allowed to make an additional substitution.

[14] On December 4, 2021, the Canadian Premier League revealed the nominees for the four individual awards that would be voted on by the media.

The awards are Inuit soapstone sculptures designed by artists from Cape Dorset, Nunavut.

Draftees are invited to team preseason camps, with an opportunity to earn a developmental contract and retain their U Sports men's soccer eligibility.

[40] Canadian Premier League teams could sign a maximum of seven international players, out of which only five could be in the starting line-up for each match.

Starting this season, teams were required to carry a minimum of four international players, either signed through or approved by the league's scouting partner, 21st Club.