2011–12 NHL transactions
The following is a list of all team-to-team transactions that have occurred in the National Hockey League during the 2011–12 NHL season. It lists what team each player has been traded to, signed by, or claimed by, and for which player or draft pick, if applicable. Players who have retired are also listed.
Retirement
Free agency
| Date | Player | New team | Previous team |
| Tampa Bay Lightning | Columbus Blue Jackets | ||
| Chicago Blackhawks | San Jose Sharks | ||
| Edmonton Oilers | San Jose Sharks | ||
| Florida Panthers | Minnesota Wild | ||
| Dallas Stars | Calgary Flames | ||
| Chicago Blackhawks | Philadelphia Flyers | ||
| Washington Capitals | Montreal Canadiens | ||
| Dallas Stars | Winnipeg Jets | ||
| Florida Panthers | Columbus Blue Jackets | ||
| Phoenix Coyotes | Tampa Bay Lightning | ||
| Phoenix Coyotes | Vancouver Canucks | ||
| Vancouver Canucks | Buffalo Sabres | ||
| Phoenix Coyotes | Washington Capitals | ||
| Carolina Hurricanes | Toronto Maple Leafs | ||
| Florida Panthers | Phoenix Coyotes | ||
| Dallas Stars | Phoenix Coyotes | ||
| Philadelphia Flyers | Anaheim Ducks | ||
| Chicago Blackhawks | Minnesota Wild | ||
| Colorado Avalanche | Columbus Blue Jackets | ||
| Florida Panthers | Nashville Predators | ||
| Philadelphia Flyers | Pittsburgh Penguins | ||
| Winnipeg Jets | Detroit Red Wings | ||
| Carolina Hurricanes | Philadelphia Flyers | ||
| Montreal Canadiens | Colorado Avalanche | ||
| New York Rangers | Pittsburgh Penguins | ||
| Detroit Red Wings | Columbus Blue Jackets | ||
| Pittsburgh Penguins | Nashville Predators | ||
| New York Islanders | Florida Panthers | ||
| Washington Capitals | Nashville Predators | ||
| Washington Capitals | Montreal Canadiens | ||
| Montreal Canadiens | Carolina Hurricanes | ||
| Edmonton Oilers | Florida Panthers | ||
| Edmonton Oilers | Minnesota Wild | ||
| Ottawa Senators | Montreal Canadiens | ||
| Dallas Stars | Boston Bruins | ||
| Boston Bruins | Montreal Canadiens | ||
| Buffalo Sabres | Philadelphia Flyers | ||
| Vancouver Canucks | Washington Capitals | ||
| Carolina Hurricanes | Los Angeles Kings | ||
| Dallas Stars | Edmonton Oilers | ||
| San Jose Sharks | Edmonton Oilers | ||
| Florida Panthers | Colorado Avalanche | ||
| Columbus Blue Jackets | Montreal Canadiens | ||
| Edmonton Oilers | Phoenix Coyotes | ||
| Colorado Avalanche | Minnesota Wild | ||
| Colorado Avalanche | Toronto Maple Leafs | ||
| St. Louis Blues | Colorado Avalanche | ||
| Washington Capitals | Ottawa Senators | ||
| Edmonton Oilers | Pittsburgh Penguins | ||
| Chicago Blackhawks | Philadelphia Flyers | ||
| Winnipeg Jets | Vancouver Canucks | ||
| Vancouver Canucks | Phoenix Coyotes | ||
| San Jose Sharks | Los Angeles Kings | ||
| Florida Panthers | Tampa Bay Lightning | ||
| Columbus Blue Jackets | Washington Capitals | ||
| Columbus Blue Jackets | St. Louis Blues | ||
| Columbus Blue Jackets | Nashville Predators | ||
| Dallas Stars | Chicago Blackhawks | ||
| Florida Panthers | Phoenix Coyotes | ||
| Pittsburgh Penguins | Edmonton Oilers | ||
| Tampa Bay Lightning | Montreal Canadiens | ||
| New York Rangers | Dallas Stars | ||
| Tampa Bay Lightning | New York Rangers | ||
| Toronto Maple Leafs | Buffalo Sabres | ||
| Carolina Hurricanes | Winnipeg Jets | ||
| Los Angeles Kings | Tampa Bay Lightning | ||
| Phoenix Coyotes | Vancouver Canucks | ||
| Detroit Red Wings | San Jose Sharks | ||
| Washington Capitals | Florida Panthers | ||
| Winnipeg Jets | Tampa Bay Lightning | ||
| St. Louis Blues | San Jose Sharks | ||
| Winnipeg Jets | Vancouver Canucks | ||
| Calgary Flames | Colorado Avalanche | ||
| Calgary Flames | Florida Panthers | ||
| Carolina Hurricanes | New York Rangers | ||
| Tampa Bay Lightning | Edmonton Oilers | ||
| Anaheim Ducks | Washington Capitals | ||
| Florida Panthers | Washington Capitals | ||
| Florida Panthers | Dallas Stars | ||
| Winnipeg Jets | Vancouver Canucks | ||
| Edmonton Oilers | Anaheim Ducks | ||
| Nashville Predators | Florida Panthers | ||
| Vancouver Canucks | Washington Capitals | ||
| Pittsburgh Penguins | Boston Bruins | ||
| St. Louis Blues | Pittsburgh Penguins | ||
| Phoenix Coyotes | Ottawa Senators | ||
| Washington Capitals | Toronto Maple Leafs | ||
| Calgary Flames | Vancouver Canucks | ||
| Columbus Blue Jackets | Edmonton Oilers | ||
| Edmonton Oilers | Ottawa Senators | ||
| Phoenix Coyotes | New Jersey Devils | ||
| Winnipeg Jets | Dallas Stars | ||
| St. Louis Blues | San Jose Sharks | ||
| Ottawa Senators | New York Islanders | ||
| Columbus Blue Jackets | Nashville Predators | ||
| Pittsburgh Penguins | Montreal Canadiens | ||
| Carolina Hurricanes | Boston Bruins | ||
| Montreal Canadiens | New York Islanders | ||
| Boston Bruins | Detroit Red Wings | ||
| Detroit Red Wings | Chicago Blackhawks | ||
| Minnesota Wild | Chicago Blackhawks | ||
| Nashville Predators | Columbus Blue Jackets | ||
| Nashville Predators | Edmonton Oilers | ||
| New York Islanders | Columbus Blue Jackets | ||
| Tampa Bay Lightning | Columbus Blue Jackets | ||
| Anaheim Ducks | Carolina Hurricanes | ||
| St. Louis Blues | Dallas Stars | ||
| St. Louis Blues | Washington Capitals | ||
| Tampa Bay Lightning | Montreal Canadiens | ||
| Columbus Blue Jackets | New York Islanders | ||
| Anaheim Ducks | Edmonton Oilers | ||
| Toronto Maple Leafs | Colorado Avalanche | ||
| Phoenix Coyotes | St. Louis Blues | ||
| Phoenix Coyotes | St. Louis Blues | ||
| San Jose Sharks | Calgary Flames | ||
| Buffalo Sabres | Montreal Canadiens | ||
| Vancouver Canucks | Phoenix Coyotes | ||
| Montreal Canadiens | Washington Capitals | ||
| Vancouver Canucks | Florida Panthers | ||
| Tampa Bay Lightning | Ottawa Senators | ||
| Detroit Red Wings | Pittsburgh Penguins | ||
| Tampa Bay Lightning | Phoenix Coyotes | ||
| Anaheim Ducks | Edmonton Oilers | ||
| Colorado Avalanche | Chicago Blackhawks | ||
| Colorado Avalanche | Tampa Bay Lightning | ||
| San Jose Sharks | Columbus Blue Jackets | ||
| Minnesota Wild | Tampa Bay Lightning | ||
| Ottawa Senators | New Jersey Devils | ||
| Ottawa Senators | Buffalo Sabres | ||
| Colorado Avalanche | Florida Panthers | ||
| Washington Capitals | Toronto Maple Leafs | ||
| Ottawa Senators | Vancouver Canucks | ||
| Ottawa Senators | Buffalo Sabres | ||
| Columbus Blue Jackets | Phoenix Coyotes | ||
| Columbus Blue Jackets | Ottawa Senators | ||
| Dallas Stars | Pittsburgh Penguins | ||
| Florida Panthers | St. Louis Blues | ||
| Pittsburgh Penguins | Edmonton Oilers | ||
| Calgary Flames | Ottawa Senators | ||
| Colorado Avalanche | Nashville Predators | ||
| Anaheim Ducks | Tampa Bay Lightning | ||
| Florida Panthers | Phoenix Coyotes | ||
| Carolina Hurricanes | Tampa Bay Lightning | ||
| Chicago Blackhawks | Columbus Blue Jackets | ||
| New Jersey Devils | St. Louis Blues | ||
| New Jersey Devils | Winnipeg Jets | ||
| Winnipeg Jets | Anaheim Ducks | ||
| Phoenix Coyotes | Anaheim Ducks | ||
| San Jose Sharks | Columbus Blue Jackets | ||
| Philadelphia Flyers | Colorado Avalanche | ||
| Detroit Red Wings | St. Louis Blues | ||
| New York Islanders | Pittsburgh Penguins | ||
| Columbus Blue Jackets | New York Rangers | ||
| Vancouver Canucks | Florida Panthers | ||
| Pittsburgh Penguins | Dallas Stars | ||
| Phoenix Coyotes | Carolina Hurricanes | ||
| Nashville Predators | Washington Capitals | ||
| San Jose Sharks | New Jersey Devils | ||
| Phoenix Coyotes | Minnesota Wild | ||
| Nashville Predators | New York Islanders | ||
| New York Islanders | Dallas Stars | ||
| Buffalo Sabres | Tampa Bay Lightning | ||
| Buffalo Sabres | Philadelphia Flyers | ||
| St. Louis Blues | Philadelphia Flyers | ||
| Calgary Flames | Washington Capitals | ||
| Montreal Canadiens | Dallas Stars | ||
| Los Angeles Kings | Columbus Blue Jackets | ||
| New Jersey Devils | Los Angeles Kings | ||
| Chicago Blackhawks | Dallas Stars | ||
| Winnipeg Jets | San Jose Sharks | ||
| Carolina Hurricanes | Tampa Bay Lightning | ||
| Dallas Stars | Detroit Red Wings | ||
| Montreal Canadiens | Chicago Blackhawks | ||
| New York Islanders | Calgary Flames | ||
| Los Angeles Kings | New Jersey Devils | ||
| Chicago Blackhawks | Anaheim Ducks | ||
| San Jose Sharks | Anaheim Ducks | ||
| Detroit Red Wings | Toronto Maple Leafs | ||
| Montreal Canadiens | Florida Panthers | ||
| Anaheim Ducks | Carolina Hurricanes | ||
| New York Rangers | Columbus Blue Jackets | ||
| Tampa Bay Lightning | Minnesota Wild | ||
| Florida Panthers | Minnesota Wild | ||
| Columbus Blue Jackets | Nashville Predators | ||
| New Jersey Devils | Florida Panthers | ||
| Boston Bruins | Chicago Blackhawks |