2021–22 WOAA Senior League season

The 2021–22 WOAA Senior League season was the 32nd season of the WOAA Senior AA Hockey League. The league was scheduled to play a 20-game regular season which began in October 2021 and concluded in January 2022. The post-season began in February 2022 and concluded in April 2022.

The Seaforth Centenaires won the WOAA Senior AA Hockey Championship, defeating the Clinton Radars in the final round of the playoffs.

Team changes

 * On April 21, 2021, the Elora Rocks announced they were withdrawing from the league to join the Western Ontario Super Hockey League beginning in the 2021–22 season.
 * On April 21, 2021, the Tillsonburg Thunder announced they were withdrawing from the league to join the Western Ontario Super Hockey League beginning in the 2021–22 season.
 * On June 4, 2021, the league announced that it had approved the expansion application for the Creemore Coyotes to join the league beginning in the 2021–22 season.

COVID-19
Due to COVID-19 restrictions in Ontario effective on January 5, 2022, all municipally operated recreation facilities were closed until January 26, temporarily bringing at halt to the WOAA Senior Hockey League schedule.

On January 11, representatives from all teams agreed to fulfill their commitment to the league, regardless of any limitations that may be in place after January 26. All teams were in agreement that playoffs are a priority to begin on February 4. In order to meet the February 4th deadline, as the full regular season schedule could not be completed, all teams agreed that the final standings be calculated based on a points percentage basis to determine final positioning for the playoffs.

Final standings
Note: GP = Games played; W = Wins; L= Losses; OTL = Overtime losses; GF = Goals for; GA = Goals against; Pts = Points; Green shade = Clinched playoff spot

Scoring leaders
Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty minutes

WOAA Senior "AA" Hockey playoffs
The top eight teams qualify for the WOAA Senior "AA" Hockey playoffs. Each series is a best-of-seven.

(4) Saugeen Shores Winterhawks vs. (5) Tavistock Royals
''Note: Game three was played at the Southampton Coliseum in Southampton, Ontario.

WOAA Senior "A" Hockey playoffs
The bottom five teams qualified for the WOAA Senior "A" Hockey playoffs.