1930-31 Ottawa District Senior Playoffs

Senior Champion
Ottawa City Senior League: Ottawa Rideaus

Intermediate League Champions

 * Central Ottawa Valley League: Chesterville
 * Ottawa City Intermediate League: Ottawa Montcalms
 * Pontiac League: Shawville
 * Rideau Group: Brockville Magedomas
 * Russell County League: Russell Rovers
 * Upper Ottawa Valley League: Almonte

Quarter Finals
2 games total goals

Shawville beat Russell 9 goals to 2.

Ottawa Montcalms beat Chesterville 4 goals to 3.

Semi Finals
2 games total goals

Almonte beat Brockville 2 goals to 1.

Ottawa Montcalms beat Shawville 7 goals to 1.

Final
2 games total goals

Ottawa Montcalms beat Almonte 5 goals to 4.

Ottawa Montcalms won the Ottawa Citizen Shield (Intermediate).

Senior-Intermediate Final
2 games total goals

Ottawa Rideaus beat Ottawa Montcalms 3 goals to 2.

Ottawa Rideaus advanced to the 1930-31 Eastern Canada Allan Cup Playoffs.