The 2021 Canadian Olympic Curling Pre-Trials were held from October 25 to 31 at the Queens Place Emera Centre in Liverpool, Nova Scotia.

[1] The event qualified two teams for the 2021 Canadian Olympic Curling Trials in Saskatoon, Saskatchewan.

[2] Teams also had to have three of their four members from their 2020–21 season lineups still intact.

Additionally, the three men's and two women's teams that did not advance to the trials through the 2021 Canadian Curling Trials Direct-Entry Event qualified for the event.

The final two teams of each gender were the two qualifiers from the 2021 Canadian Curling Pre-Trials Direct-Entry Event.