1958-59 Manitoba Intermediate AA Playoffs

Ten teams registered in Intermediate AA with the Manitoba Amateur Hockey Association, to challenge for the Manitoba Championship, the McDiarmid Shield.


 * Manitoba Intermediate AA Round 1

Selkirk Fishermen defeated Winnipeg Tobans 2-games-to-1 St. Boniface Flying Frenchmen defeated Transcona Centrals 2-games-to-none Weston Lions defeated Winnipeg Kings St. Boniface Seals received bye
 * Manitoba Intermediate AA Quarter Finals

Flin Flon Bombers defeated The Pas Huskies St. Boniface Flying Frenchmen defeated Selkirk Fishermen 2-games-to-none St. Boniface Seals defeated Weston Lions
 * Manitoba Intermediate AA Semi Finals

Dauphin Kings defeated Flin Flon Bombers 2-games-to-1 St. Boniface Seals defeated St. Boniface Flying Frenchmen 2-games-to-none
 * Manitoba Intermediate AA Final (McDiarmid Shield)

St. Boniface Seals defeated Dauphin Kings 2-games-to-1
 * Manitoba Intermediate AA-AB Final

St. Boniface Seals defeated Souris Elks 2-games-to-none St. Boniface Seals advanced to the 1958-59 Western Canada Intermediate Playoffs Manitoba Intermediate A Hockey History