The following is a list of all team-to-team transactions that have occurred in the National Hockey League (NHL) during the 1943–44 NHL season. It lists which team each player has been traded to and for which player(s) or other consideration(s), if applicable.
| September 10, 1943 | To Toronto Maple Leafs Ted Kennedy | To Montreal Canadiens rights to Frank Eddolls | [1] [2] |
| October 30, 1943 | To Boston Bruins Bert Gardiner | To Montreal Canadiens cash | [3] |
| November, 1943 Exact date unknown | To Toronto Maple Leafs cash | To New York Rangers Bucko McDonald | [4] |
| November, 1943 Exact date unknown | To Boston Bruins cash | To New York Rangers Ab DeMarco | [5] |
| November, 1943 Exact date unknown | To Boston Bruins cash | To New York Rangers rights to Chuck Scherza | [6] |
| November, 1943 Exact date unknown | To Boston Bruins cash | To New York Rangers rights to Oscar Aubuchon | [7] |
| January 5, 1944 | To Boston Bruins Pat Egan | To Detroit Red Wings Flash Hollett | [8] |
| January 12, 1944 | To Montreal Canadiens Nestor Lubeck Hubert Macey Spence Tatchell | To New York Rangers Kilby MacDonald | [9] |
| February 22, 1944 | To Boston Bruins $3,000 cash | To New York Rangers Aldo Palazzari | [10] |