1963 Washington Senators season

The 1963 Washington Senators season involved the Senators finishing tenth in the American League (in last place) with a record of 56 wins and 106 losses.

Offseason

 * October 5, 1962: Paul Casanova was signed as a free agent by the Senators.
 * November 26, 1962: 1962 first-year draft
 * Lou Piniella was drafted by the Senators from the Cleveland Indians.
 * Brant Alyea was drafted by the Senators from the Cincinnati Reds.
 * Prior to 1963 season: Lou Klimchock was acquired by the Senators from the Milwaukee Braves.

Regular season

 * September 2, 1963: Ed Hobaugh hit a home run in the last at bat of his career.

Notable transactions

 * April 2, 1963: Minnie Miñoso was purchased by the Senators from the St. Louis Cardinals.
 * May 6, 1963: Lou Klimchock was returned by the Senators to the Milwaukee Braves.
 * May 8, 1963: Hobie Landrith was purchased by the Senators from the Baltimore Orioles.
 * May 23, 1963: Jimmy Piersall was traded by the Senators to the New York Mets for Gil Hodges.
 * June 24, 1963: Don Zimmer was purchased by the Senators from the Los Angeles Dodgers.

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

Awards and honors
All-Star Game
 * Don Leppert, reserve