1983 Houston Astros season

The Houston Astros' 1983 season was a season in American baseball. It involved the Houston Astros attempting to win the National League West.

Offseason

 * December 10, 1982: Danny Heep was traded by the Astros to the New York Mets for Mike Scott.
 * January 11, 1983: Troy Afenir was drafted by the Astros in the 1st round (11th pick) of the 1983 Major League Baseball draft (secondary phase).
 * March 31, 1983: Alan Knicely was traded by the Astros to the Cincinnati Reds for Bill Dawley and Tony Walker.

Regular season

 * April 17, 1983: Nolan Ryan struck out Andre Dawson for the 3500th strikeout in his career.
 * April 27, 1983: Nolan Ryan struck out Brad Mills of the Expos to break Walter Johnson's all time mark for strikeouts in a career. Mills was the 3,509th strikeout of Ryan's career.

Notable transactions

 * June 6, 1983: Robbie Wine was drafted by the Astros in the 1st round (8th pick) of the 1983 Major League Baseball draft.
 * June 17, 1983: Danny Boone was released by the Astros.

Regular season

 * - style="text-align:center;"
 * Legend:      = Win       = Loss       = Postponement Bold = Astros team member

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

 * Ray Knight, Hutch Award