2009–10 NHL transactions

The following is a list of all team-to-team transactions that have occurred in the National Hockey League during the 2009–10 NHL season. It lists what team each player has been traded to, signed by, or claimed by, and for which player(s) or draft pick(s), if applicable.

Free agency
Note: This does not include players who have re-signed with their previous team as an Unrestricted Free Agent or as a Restricted Free Agent.