League Champions[]
- Central Ottawa Valley League: Berwick
- Ottawa City Senior League (Group 1): Ottawa Montagnards
- Ottawa City Senior League (Group 2): Ottawa Gunners
- Rideau Group: Smiths Falls
- Upper Ottawa Valley League: Carleton Place
Playoffs[]
Quarter Finals[]
2 games total goals
| Date | Winner | Loser | Location |
|---|---|---|---|
| February 22 | Gunners 2 | Smiths Falls 1 | Smiths Falls |
| February 24 | Gunners 15 | Smiths Falls 2 | Ottawa |
Ottawa Gunners beat Smiths Falls 17 goals to 3.
| Date | Winner | Loser | Location |
|---|---|---|---|
| February 23 | Montagnards 18 | Berwick 5 | Ottawa |
| February 25 | Montagnards 6 | Berwick 3 | Berwick |
Ottawa Montagnards beat Berwick 24 goals to 8.
Semi Final[]
2 games total goals
| Date | Winner | Loser | Location |
|---|---|---|---|
| February 27 | Gunners 14 | Carleton Place 2 | Ottawa |
| March 1 | Gunners 3 | Carleton Place 3 | Carleton Place |
Ottawa Gunners beat Carleton Place 19 goals to 5.
Final[]
2 games total goals
| Date | Winner | Loser | Location |
|---|---|---|---|
| February 15 | Montagnards 6 | Gunners 1 | Ottawa |
| February 18 | Gunners 4 | Montagnards 3 | Ottawa |
Ottawa Montagnards beat Ottawa Gunners 9 goals to 5.
Ottawa Montagnards advanced to the 1921-22 Eastern Canada Allan Cup Playoffs.