The Houston Astros' 1990 season was a season in American baseball. It involved the Houston Astros attempting to win the National League West.
Offseason
December 6, 1989: Bill Gullickson was signed as a free agent by the Astros. December 19, 1989: Dan Schatzeder was signed as a free agent by the Astros. March 13, 1990: Dave Silvestri and a player to be named later were traded by the Astros to the New York Yankees for Orlando Miller. The Astros completed the deal by sending Daven Bond (minors) to the Yankees on June 11.
Regular season
Season standings
Record vs. opponents
Notable transactions
April 3, 1990: Roger Mason was released by the Houston Astros. August 30, 1990: Larry Andersen was traded by the Astros to the Boston Red Sox for Jeff Bagwell. August 30, 1990: Bill Doran was traded by the Houston Astros to the Cincinnati Reds for players to be named later. September 10, 1990: Dan Schatzeder was traded by the Astros to the New York Mets for Nick Davis (minors) and Steve LaRose (minors). September 7, 1990: Butch Henry was sent by the Cincinnati Reds to the Houston Astros to complete an earlier deal made on August 30, 1990. Catcher Terry McGriff was also sent by the Cincinnati Reds to complete the deal.
Roster
Game log
Regular season
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|- style="text-align:center; background:#bbcaff;" | colspan="12" | 61st All-Star Game in Chicago, Illinois |-
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|- style="text-align:center;" | Legend: = Win = Loss = PostponementBold = Astros team member
Player stats
Batting
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
Pitching
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