Notable deals
| Tampa Bay Lightning acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Ben Bishop | April 3, 2013 | Cory Conacher |  |
| 2013 4th round pick | ||||
| Washington Capitals acquire | Date | Nashville Predators acquire | ||
|---|---|---|---|---|
 | Michael Latta | April 3, 2013 | Filip Forsberg |  |
| Martin Erat | ||||
| Vancouver Canucks acquire | Date | Dallas Stars acquire | ||
|---|---|---|---|---|
 | Derek Roy | April 2, 2013 | Kevin Connauton |  |
| 2013 2nd round pick | ||||
| New York Rangers acquire | Date | San Jose Sharks acquire | ||
|---|---|---|---|---|
 | Ryane Clowe | April 2, 2013 | 2014 conditional 2nd round pick |  |
| 2013 3rd round pick | ||||
| 2013 2nd round pick | ||||
| Boston Bruins acquire | Date | Dallas Stars acquire | ||
|---|---|---|---|---|
 | Jaromir Jagr | April 2, 2013 | Cody Payne | |
| Lane MacDermid | ||||
| 2013 conditional 2nd round pick | ||||
| St. Louis Blues acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | Jay Bouwmeester | April 1, 2013 | 2013 conditional 4th round pick |  |
| Mark Cundari | ||||
| Reto Berra | ||||
| 2013 or 2014 1st round pick | ||||
| Pittsburgh Penguins acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | Jarome Iginla | March 27, 2013 | Kenneth Agostino | |
| Ben Hanowski | ||||
| 2013 1st round pick | ||||
| Pittsburgh Penguins acquire | Date | Dallas Stars acquire | ||
|---|---|---|---|---|
| 2013 3rd round pick | March 24, 2013 | 2013 5th round pick | |
| Brenden Morrow | Joseph Morrow | |||
| New York Rangers acquire | Date | Columbus Blue Jackets acquire | ||
|---|---|---|---|---|
| Rick Nash | July 23, 2012 | Brandon Dubinsky |  |
| Steven Delisle | Artem Anisimov | |||
| 2013 conditional 3rd round pick | Tim Erixon | |||
| 2013 1st round pick | ||||
| Dallas Stars acquire | Date | Buffalo Sabres acquire | ||
|---|---|---|---|---|
| Derek Roy | July 2, 2012 | Steve Ott |  |
| Adam Pardy | ||||
| Toronto Maple Leafs acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
 | James Van Riemsdyk | June 23, 2012 | Luke Schenn |  |
| Carolina Hurricanes acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | Jordan Staal | June 22, 2012 | Brandon Sutter | |
| 2012 1st round pick (#8-Derrick Pouliot) | ||||
| Brian Dumoulin | ||||
| Washington Capitals acquire | Date | Dallas Stars acquire | ||
|---|---|---|---|---|
| Mike Ribeiro | June 22, 2012 | Cody Eakin | |
| 2012 2nd round pick (#54-Mike Winther) | ||||
| Columbus Blue Jackets acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Sergei Bobrovsky | June 22, 2012 | 2012 4th round pick(#117-Taylor Leier) | |
| 2012 2nd round pick #45-Anthony Stolarz) | ||||
| 2013 4th round pcik | ||||
| Buffalo Sabres acquire | Date | Vancouver Canucks acquire | ||
|---|---|---|---|---|
| Alexander Sulzer | February 27, 2012 | Zack Kassian | |
| Cody Hodgson | Marc-Andre Gragnani | |||
| Los Angeles Kings acquire | Date | Columbus Blue Jackets acquire | ||
|---|---|---|---|---|
 | Jeff Carter | February 23, 2012 | Jack Johnson | |
| 2012 or 2013 conditional 1st round pick | ||||
| Comment: Columbus get the Kings 2013 pick if Kings do not make playoffs in 2011-12 season. If Kings make playoffs, Columbus has choice of 2012 or 2013 pick. | ||||
| Montreal Canadiens acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | Rene Bourque | January 12, 2012 | Michael Cammalleri | |
| Patrick Holland | Karri Ramo | |||
| 2013 2nd round pick | 2012 5th round pick | |||
| San Jose Sharks acquire | Date | Minnesota Wild acquire | ||
|---|---|---|---|---|
| Martin Havlat | July 3, 2011 | Dany Heatley |  |
| Columbus Blue Jackets acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Jeff Carter | June 23, 2011 | Jakub Voracek | |
| 2011 1st round pick (#8-Sean Couturier) | ||||
| 2011 3rd round pick (#68-Nick Cousins) | ||||
| Los Angeles Kings acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Rob Bordson | June 23, 2011 | Brayden Schenn | |
| Mike Richards | Wayne Simmonds | |||
| 2012 2nd round pick | ||||