The following is a list of all team-to-team transactions that have occurred in the National Hockey League (NHL) during the 2017–18 NHL season. It lists which team each player has been traded to, signed by, or claimed by, and for which player(s) or draft pick (s), if applicable. Players who have retired are also listed. The 2017–18 NHL trade deadline was on February 26, 2018. Players traded after this date were not eligible to play in the 2018 Stanley Cup playoffs.