1964 Washington Senators season

The 1964 Washington Senators season involved the Senators finishing ninth in the American League with a record of 62 wins and 100 losses.

Offseason

 * October 14, 1963: Minnie Miñoso was released by the Senators.
 * November 30, 1963: Marshall Bridges was purchased by the Senators from the New York Yankees.
 * December 2, 1963: Howie Koplitz was drafted by the Senators from the Detroit Tigers in the 1963 rule 5 draft.
 * December 6, 1963: Bill Skowron was purchased by the Senators from the Los Angeles Dodgers.
 * December 6, 1963: Hobie Landrith was released by the Senators.
 * March 31, 1964: The Senators traded a player to be named later to the Baltimore Orioles for Buster Narum. The Senators completed the deal by sending Lou Piniella to Orioles on August 4.

Notable transactions

 * July 13, 1964: Bill Skowron and Carl Bouldin were traded by the Senators to the Chicago White Sox for Joe Cunningham and a player to be named later. The White Sox completed the deal by sending Frank Kreutzer to the Senators on July 28.

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
Toronto affiliation shared with Milwaukee Braves