1976–77 NHL transactions
The following is a list of all team-to-team transactions that have occurred in the National Hockey League during the 1976–77 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. Trades between teams

May

June 

 Los Angeles' third-round pick went to Detroit as the result of a trade on January 9, 1978 that sent Danny Grant to Los Angeles in exchange for the rights to Barry Long and this pick. August

September 

 Montreal exercised the option and swap the 19th pick for the 1st overall pick in 1980. Philadelphia's second-round pick went to Colorado as the result of a trade on June 15, 1978 that sent Colorado's second-round pick in 1979 in exchange for this pick. October

November

December

January

February

March

Additional sources
 hockeydb.com - search for player and select "show trades"
 

Transactions
National Hockey League transactions