The following is a list of all suspensions that occured during the 2011-12 NHL season.
During the regular season, the Vancouver Canucks remained the only team that did not have any players or staff suspended or fined.
| Date of Incident | Offender | Team | Offense | Date of Action | Length |
|---|---|---|---|---|---|
| September 20, 2011 | Pierre-Luc Letourneau-Leblond | Calgary Flames | Boarding Matt Clackson. | September 22, 2011 | 5 games† (4 pre-season, 1 regular season) |
| September 21, 2011 | Jody Shelley | Philadelphia Flyers | Boarding Darryl Boyce. | September 22, 2011 | 10 games† (5 pre-season, 5 regular season) |
| September 23, 2011 | James Wisniewski | Columbus Blue Jackets | Illegal hit to the head of Cal Clutterbuck. | September 24, 2011 | 12 games† (4 pre-season, 8 regular season) |
| September 23, 2011 | Brad Staubitz | Minnesota Wild | Checking Cody Bass from behind. | September 26, 2011 | 7 games† (4 pre-season, 3 regular season) |
| September 24, 2011 | Brad Boyes | Buffalo Sabres | Illegal hit to the head of Joe Colborne. | September 25, 2011 | 2 games† (2 pre-season) |
| September 24, 2011 | Jean-Francois Jacques | Anaheim Ducks | Leaving bench to initiate a fight with Mike Duco. | September 27, 2011 | 9 games† (4 pre-season, 5 regular season) |
| September 26, 2011 | Tom Sestito | Philadelphia Flyers | Checking Andre Deveaux from behind. | September 28, 2011 | 4 games† (2 pre-season, 2 regular season) |
| September 28, 2011 | Brendan Smith | Detroit Red Wings | Illegal hit to the head of Ben Smith. | September 30, 2011 | 8 games† (3 pre-season, 5 regular season) |
| September 30, 2011 | Clarke MacArthur | Toronto Maple Leafs | Illegal hit to the head of Justin Abdelkader. | October 1, 2011 | 3 games† (1 pre-season, 2 regular season) |
| October 8, 2011 | Pierre-Marc Bouchard | Minnesota Wild | High sticking Matt Calvert. | October 9, 2011 | 2 games |
| October 17, 2011 | Kris Letang | Pittsburgh Penguins | Boarding Aleksandr Burmistrov. | October 18, 2011 | 2 games |
| October 28, 2011 | Andy Sutton | Edmonton Oilers | Elbowing Gabriel Landeskog. | November 1, 2011 | 5 games |
| October 28, 2011 | Daniel Carcillo | Chicago Blackhawks | Hit from behind on Joni Pitkänen. | October 29, 2011 | 2 games |
| November 2, 2011 | Patrick Kaleta | Buffalo Sabres | Headbutt on Jakub Voracek. | November 3, 2011 | 4 games |
| November 17, 2011 | Chris Stewart | St. Louis Blues | Checking Niklas Kronwall from behind. | November 18, 2011 | 3 games |
| November 23, 2011 | Andre Deveaux | New York Rangers | Illegal hit to the head of Tomas Fleischmann. | November 23, 2011 | 3 games |
| November 26, 2011 | Max Pacioretty | Montreal Canadiens | Illegal hit to the head of Kris Letang. | November 28, 2011 | 3 games |
| December 3, 2011 | Jordin Tootoo | Nashville Predators | Charging goaltender Ryan Miller | December 6, 2011 | 2 games |
| December 3, 2011 | Mark Fistric | Dallas Stars | Charging Nino Niederreiter. | December 7, 2011 | 3 games |
| December 6, 2011 | Kevin Porter | Colorado Avalanche | Kneeing David Booth. | December 8, 2011 | 4 games |
| December 7, 2011 | Ville Leino | Buffalo Sabres | Elbowing Matt Read. | December 8, 2011 | 1 game |
| December 7, 2011 | Andy Sutton | Edmonton Oilers | Charging Alexei Ponikarovsky | December 8, 2011 | 8 games |
| December 17, 2011 | Milan Lucic | Boston Bruins | Checking Zac Rinaldo from behind. | December 19, 2011 | 1 game |
| December 18, 2011 | Rene Bourque | Calgary Flames | Checking Brent Seabrook from behind. | December 19, 2011 | 2 games |
| December 20, 2011 | Deryk Engelland | Pittsburgh Penguins | Illegal hit to the head of Marcus Kruger. | December 22, 2011 | 3 games |
| December 31, 2011 | Ian Cole | St. Louis Blues | Illegal hit to the head of Justin Abdelkader. | January 1, 2012 | 3 games |
| December 31, 2011 | Krys Barch | Florida Panthers | Insensitive comments directed at P.K. Subban | January 5, 2012 | 1 game |
| December 31, 2011 | Raffi Torres | Phoenix Coyotes | Charging Nate Prosser | January 2, 2012 | 2 games |
| January 2, 2012 | Daniel Carcillo | Chicago Blackhawks | Boarding Tom Gilbert | January 4, 2012 | 7 games |
| January 3, 2012 | Rene Bourque | Calgary Flames | Elbowing Nicklas Backstrom. | January 4, 2012 | 5 games |
| January 7, 2012 | Brad Marchand | Boston Bruins | Clipping Sami Salo. | January 9, 2012 | 5 games |
| January 8, 2012 | Jean-Francois Jacques | Anaheim Ducks | Illegal hit to the head of R.J. Umberger. | January 9, 2012 | 3 games |
| January 14, 2012 | Dane Byers | Columbus Blue Jackets | Illegal hit to the head of Andrew Desjardins. | January 16, 2012 | 3 games |
| January 21, 2012 | Andrew Ference | Boston Bruins | Boarding Ryan McDonagh. | January 22, 2012 | 3 games |
| January 22, 2012 | Alexander Ovechkin | Washington Capitals | Charging Zbynek Michalek. | January 23, 2012 | 3 games |
| February 12, 2012 | Zac Rinaldo | Philadelphia Flyers | Charging Jonathan Ericsson. | February 13, 2012 | 2 games |
| February 18, 2012 | Warren Peters | Minnesota Wild | Cross-checking David Backes | February 19, 2012 | 1 game |
| March 8, 2012 | Mike Green | Washington Capitals | Illegal hit to the head of Brett Connolly | March 9, 2012 | 3 games |
| March 12, 2012 | Tyler Myers | Buffalo Sabres | Boarding Scott Gomez | March 13, 2012 | 3 games |
| March 15, 2012 | Jeff Skinner | Carolina Hurricanes | Kicking Scott Nichol. | March 16, 2012 | 2 games |
| March 20, 2012 | Shane Doan | Phoenix Coyotes | Elbowing Jamie Benn. | March 21, 2012 | 3 games |
| March 21, 2012 | Duncan Keith | Chicago Blackhawks | Elbowing Daniel Sedin. | March 23, 2012 | 5 games |
| April 1, 2012 | Kyle Quincey | Detroit Red Wings | Charging Tomas Kopecky. | April 2, 2012 | 1 game |
| April 5, 2012 | Nate Prosser | Minnesota Wild | Head-butting Jamal Mayers. | April 6, 2012 | 1 game |
| April 11, 2012 | Byron Bitz | Vancouver Canucks | Boarding Kyle Clifford. | April 12, 2012 | 2 games‡ (2 post-season) |
| April 14, 2012 | Carl Hagelin | New York Rangers | Elbowing Daniel Alfredsson. | April 15, 2012 | 3 games‡ (3 post-season) |
| April 14, 2012 | Matt Carkner | Ottawa Senators | Aggressing an unwilling Brian Boyle. | April 15, 2012 | 1 game‡ (1 post-season) |
| April 14, 2012 | Andrew Shaw | Chicago Blackhawks | Charging goaltender Mike Smith. | April 17, 2012 | 3 games‡ (3 post-season) |
| April 15, 2012 | Craig Adams | Pittsburgh Penguins | Instigator penalty in the last five minutes of a game. | April 16, 2012 | 1 game‡ (1 post-season) |
| April 15, 2012 | James Neal | Pittsburgh Penguins | Charging Claude Giroux. | April 17, 2012 | 1 game‡ (1 post-season) |
| April 15, 2012 | Arron Asham | Pittsburgh Penguins | Cross-checking Brayden Schenn. | April 17, 2012 | 4 games‡ (3 post-season)* |
| April 14, 2012 | Nicklas Bäckström | Washington Capitals | Cross-checking Rich Peverley. | April 17, 2012 | 1 game‡ (1 post-season) |
| April 17, 2012 | Raffi Torres | Phoenix Coyotes | Late charge to the head of Marian Hossa. | April 21, 2012 | 25 games reduced to 21 games‡ (13 post-season)* |
| May 4, 2012 | Rostislav Klesla | Phoenix Coyotes | Boarding Matt Halischuk. | May 6, 2012 | 1 game‡ (1 post-season) |
| May 6, 2012 | Claude Giroux | Philadelphia Flyers | Illegal hit to the head of Dainius Zubrus. | May 7, 2012 | 1 game‡ (1 post-season) |
| May 15, 2012 | Martin Hanzal | Phoenix Coyotes | Boarding Dustin Brown. | May 16, 2012 | 1 game‡ (1 post-season) |
| May 20, 2012 | Brandon Prust | New York Rangers | Elbowing Anton Volchenkov. | May 20, 2012 | 1 game‡ (1 post-season) |
- † - the suspension covered at least one pre-season game.
- ‡ - the suspension covered at least one post-season game.
- * - the suspension carried over to 2012-13 NHL season