1957-58 Northern Ontario Senior Playoffs

Standings
Statistics unavailable
 * 1) Kapuskasing Kaps
 * 2) Iroquois Falls Abitibi Eskimos
 * 3) South Porcupine Porkies
 * 4) Timmins-Schumacher Flyers

Semi finals
Best of 7

South Porcupine Porkies beat Kapuskasing Kaps 4 games to 2.

Iroquois Falls Abitibi Eskimos beat Timmins-Schumacher Flyers 4 games to 3, 1 tie.

Final
Best of 7

South Porcupine Porkies beat Iroquois Falls Abitibi Eskimos 4 games to 3.

South Porcupine Porkies advanced to the 1957-58 Eastern Canada Allan Cup Playoffs.

''Note: Sudbury, North Bay, & Sault Ste Marie played in the OHA Senior. See 1957-58 OHA Senior Season.''