1947-48 Ottawa District Senior Playoffs

Senior A Champion

 * Senior Hockey Association: Hull Volants

Senior B League Champions

 * Upper Ottawa Valley League: Renfrew Lions
 * St Lawrence League: Kemptville Royals

Senior B final
Best of 3


 * Renfrew 9 Kemptville 5
 * Kemptville 2 Renfrew 1
 * Renfrew 11 Kemptville 6

Renfrew Lions beat Kemptville Royals 2 games to 1.

Kemptville then played in the 1947-48 Ottawa District Intermediate Playoffs.

Senior A-B final
Best of 3


 * Renfrew 16 Hull 5
 * Renfrew 6 Hull 5

Renfrew Lions beat Hull Volants 2 games to none.

Renfrew Lions advanced to the 1947-48 Eastern Canada Allan Cup Playoffs.