1957-58 Ottawa District Senior Playoffs

Independent senior teams

 * Hull Legion
 * Ottawa Wheat Kings
 * Brockville Chiefs
 * Smiths Falls Rideaus
 * Almonte
 * Cornwall

Intermediate champion
Ottawa CTC

Quarter finals
Best of 3


 * Smiths Falls 7 Almonte 0
 * Smiths Falls 12 Almonte 4

Smiths Falls Rideaus beat Almonte 2 games to none.


 * Hull 10 Ottawa 3
 * Bull 11 Ottawa 0

Hull Legion beat Ottawa Wheat Kings 2 games to none.

Semi finals
Best of 3


 * Hull 4 Cornwall 3
 * Hull 7 Cornwall 2

Hull Legion beat Cornwall 2 games to none.

Smiths Falls Rideaus beat Brockville Chiefs.

Final
Best of 5


 * Smiths Falls 9 Hull 1
 * Hull 5 Smiths Falls 2
 * Smiths Falls 2 Hull 0
 * Hull 3 Smiths Falls 2
 * Hull 3 Smiths Falls 2

Hull Legion beat Smiths Falls Rideaus 3 games to 2.

Senior-Intermediate Final
Best of 3


 * Ottawa 7 Hull 3
 * Hull 5 Ottawa 3
 * Hull 4 Ottawa 2

Hull Legion beat Ottawa CTC 2 games to 1.

Hull Legion advanced to the 1957-58 Eastern Canada Allan Cup Playoffs.