1931 Washington Senators season

The 1931 Washington Senators won 92 games, lost 62, and finished in third place in the American League. They were managed by Walter Johnson and played home games at Griffith Stadium.

Offseason

 * January 13, 1931: Harry Rice was selected off waivers by the Senators from the New York Yankees.

Notable transactions

 * July 29, 1931: Harry Rice was purchased from the Senators by the Baltimore Orioles.

Starters by position
''Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''

Other batters
''Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''

Starting pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Other pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Relief pitchers
Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts

Farm system
Hagerstown club transferred and renamed twice: to Parkersburg, June 28, and to Youngstown, July 12, 1931