The 1930–31 Boston Bruins season was the Bruins' seventh season in the NHL.
The Bruins repeated as division champions, but lost in the semi-finals of the playoffs.
[1] Note: GP = Games Played, W = Wins, L = Losses, T = Ties, Pts = Points, GF = Goals For, GA = Goals Against Teams that qualified for the playoffs are highlighted in bold.
The Boston Bruins lost to the Montreal Canadiens in the semi-finals 3–2.
The Boston Bruins lost to the Montreal Canadiens 3–2 in the semi-finals.