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The 1975 Calder Cup playoffs of the American Hockey League began on April 2, 1975. The eight teams that qualified played best-of-seven series for Division Semifinals and Finals. The division champions played a best-of-seven series for the Calder Cup. The Calder Cup Final ended on May 7, 1975, with the Springfield Indians defeating the New Haven Nighthawks four games to one to win the Calder Cup for the fourth time in team history.
Playoff seeds
After the 1974–75 AHL regular season, the top three teams from each division qualified for the playoffs. The Providence Reds finished the regular season with the best overall record.
In each round, the higher seed receives home ice advantage, meaning they receive the "extra" game on home-ice if the series reaches the maximum number of games. There is no set series format due to arena scheduling conflicts and travel considerations.
Division Semifinals
Note: Home team is listed first.
Northern Division
(N1) Providence Reds vs. (N4) Springfield Indians
April 2
Providence Reds
5 - 4
Springfield Indians
April 3
Providence Reds
0 - 5
Springfield Indians
April 5
Springfield Indians
5 - 2
Providence Reds
April 6
Springfield Indians
5 - 0
Providence Reds
April 11
Providence Reds
4 - 3
OT
Springfield Indians
April 12
Springfield Indians
3 - 2
OT
Providence Reds
Springfield won series 4 – 2
(N2) Rochester Americans vs. (N3) Nova Scotia Voyageurs
April 2
Rochester Americans
2 - 3
Nova Scotia Voyageurs
April 6
Rochester Americans
5 - 4
OT
Nova Scotia Voyageurs
April 9
Nova Scotia Voyageurs
1 - 2
OT
Rochester Americans
April 11
Nova Scotia Voyageurs
1 - 2
Rochester Americans
April 13
Rochester Americans
3 - 6
Nova Scotia Voyageurs
April 16
Nova Scotia Voyageurs
2 - 5
Rochester Americans
Rochester won series 4 - 2
Southern Division
(S1) Virginia Wings vs. (N5) New Haven Nighthawks
April 4
Virginia Wings
4 - 8
New Haven Nighthawks
April 6
Virginia Wings
5 - 2
New Haven Nighthawks
April 8
New Haven Nighthawks
4 - 0
Virginia Wings
April 10
New Haven Nighthawks
6 - 2
Virginia Wings
April 12
Virginia Wings
2 - 3
New Haven Nighthawks
New Haven won series 4 - 1
(S2) Richmond Robins vs. (S3) Hershey Bears
April 3
Richmond Robins
5 - 3
Hershey Bears
April 5
Hershey Bears
6 - 3
Richmond Robins
April 6
Richmond Robins
2 - 5
Hershey Bears
April 9
Hershey Bears
6 - 3
Richmond Robins
April 11
Richmond Robins
5 - 4
OT
Hershey Bears
April 12
Hershey Bears
1 - 2
OT
Richmond Robins
April 16
Richmond Robins
3 - 4
Hershey Bears
Hershey won series 4 - 3
Division Finals
Northern Division
(N2) Rochester Americans vs. (N4) Springfield Indians
April 18
Rochester Americans
5 - 2
Springfield Indians
April 20
Springfield Indians
5 - 4
OT
Rochester Americans
April 22
Rochester Americans
4 - 2
Springfield Indians
April 23
Springfield Indians
6 - 1
Rochester Americans
April 25
Rochester Americans
2 - 5
Springfield Indians
April 27
Springfield Indians
4 - 3
Rochester Americans
Springfield won series 4 - 2
Southern Division
(S3) Hershey Bears vs. (N5) New Haven Nighthawks
April 19
Hershey Bears
4 - 3
OT
New Haven Nighthawks
April 20
New Haven Nighthawks
4 - 0
Hershey Bears
April 22
Hershey Bears
2 - 7
New Haven Nighthawks
April 23
New Haven Nighthawks
7 - 4
Hershey Bears
April 26
Hershey Bears
3 - 6
New Haven Nighthawks
New Haven won series 4 - 1
Calder Cup Final
(N4) Springfield Indians vs. (N5) New Haven Nighthawks