2011 Calder Cup playoffs

The 2011 Calder Cup playoffs of the American Hockey League began on April 13, 2011. The sixteen teams that qualified, eight from each conference, played best-of-seven series for division semifinals, finals and conference finals. Then the Eastern Conference Champion Binghamton Senators defeated the Western Conference Champion Houston Aeros four games to two to win the Calder Cup, the first one in Binghamton franchise history.

Playoff seeds
After the 2010–11 AHL regular season, 16 teams qualified for the playoffs. The top eight teams from each conference qualified for the playoffs.

Atlantic Division

 * 1) Portland Pirates – 103 points
 * 2) Manchester Monarchs – 98 points
 * 3) Connecticut Whale – 88 points

East Division

 * 1) Wilkes-Barre/Scranton Penguins – 117 points
 * 2) Hershey Bears – 100 points
 * 3) Charlotte Checkers – 97 points
 * 4) Norfolk Admirals – 93 points
 * 5) Binghamton Senators – 92 points

North Division

 * 1) Hamilton Bulldogs – 97 points
 * 2) Lake Erie Monsters – 96 points
 * 3) Manitoba Moose – 93 points

West Division

 * 1) Milwaukee Admirals – 102 points
 * 2) Houston Aeros – 98 points
 * 3) Peoria Rivermen – 92 points (36 Regulation/Overtime Wins)
 * 4) Texas Stars – 92 points (35 Regulation/Overtime Wins)
 * 5) Oklahoma City Barons – 91 points

Bracket
In each round the team that earned more points during the regular season 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 1: All times are in Eastern Time (UTC-4).
 * Note 2: Game times in italics signify games to be played only if necessary.
 * Note 3: Home team is listed first.

Leading skaters
These are the top ten skaters based on points. If there is a tie in points, goals take precedence over assists.

GP = Games played; G = Goals; A = Assists; Pts = Points; +/– = Plus–minus; PIM = Penalty minutes

Leading goaltenders
This is a combined table of the top five goaltenders based on goals against average and the top five goaltenders based on save percentage. The table is initially sorted by goals against average, with the criterion for inclusion in bold.

GP = Games played; W = Wins; L = Losses; SA = Shots against; GA = Goals against; GAA = Goals against average; SV% = Save percentage; SO = Shutouts; TOI = Time on ice (in minutes)