The1969–70 AHLseason was the34th season of theAmerican Hockey League. Nine teams played 72 games each in the schedule. TheMontreal Voyageurs became the second Canada-based team in the league, and finished first overall in the regular season. This would be the last season for theBuffalo Bisons in the AHL as theNational Hockey League added theBuffalo Sabres who would begin play the next season, the Bisons would go out on top by winning their fifthCalder Cup championship.

• TheMontreal Voyageurs join the AHL as an expansion team, based inMontreal,Quebec, playing in the East Division.
• TheQuebec Aces switch divisions from West to East.
• TheBaltimore Clippers and theHershey Bears switch divisions from East to West.

Note: GP = Games played; W = Wins; L = Losses; T = Ties; GF = Goals for; GA = Goals against; Pts = Points;

Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty minutes

• complete list

First round

• Montreal Voyageurs defeatedBaltimore Clippers 4 games to 1.
• Buffalo Bisons defeatedQuebec Aces 4 games to 2.
• Springfield Kings defeatedHershey Bears 4 games to 3.

Second round

• In double round-robin,Buffalo Bisons andSpringfield Kings advanced.Montreal Voyageurs eliminated after third loss.

Finals

• Buffalo Bisons defeatedSpringfield Kings 4 games to 0, to win the Calder Cup.
• list of scores

Team awards

Individual awards

Other awards

• List of AHL seasons

• AHL official site
• AHL Hall of Fame
• HockeyDB

• American Hockey League seasons
• 1969–70 in American ice hockey by league
• 1969–70 in Canadian ice hockey by league

• Use mdy dates from August 2023
• Articles with short description
• Short description matches Wikidata