The 1939–40 Boston Bruins season was the Boston Bruins' 16th season of operation in the National Hockey League.
The Bruins finished first over-all, but could not repeat as Stanley Cup champions, losing in the playoff semi-final to the New York Rangers.
[1] Note: GP = Games Played, W = Wins, L = Losses, T = Ties, GF = Goals For, GA = Goals Against, PIM = Penalty Minutes, Pts = Points Teams that qualified for the playoffs are highlighted in bold.
The Boston Bruins lost the semi-finals to the New York Rangers 4–2 [3]