1971 Houston Astros season

The 1971 Houston Astros season was a season in American baseball. The team finished tied for fourth in the National League West with a record of 79–83, 11 games behind the San Francisco Giants.

The Astros played 75 games that were decided by a one run margin, which is an all-time MLB record. In those games, the team had a record of 32–43.

Offseason

 * January 13, 1971: Doug Konieczny was drafted by the Astros in the 1st round (4th pick) of the 1971 Major League Baseball draft Secondary Phase.

Regular season

 * September 5, 1971: In a game against the Giants, J. R. Richard struck out 15 batters in his very first game, tying a Major League record first established by Karl Spooner.

Notable transactions

 * June 8, 1971: 1971 Major League Baseball draft
 * Paul Siebert was drafted by the Astros in the 3rd round.
 * Rich Troedson was drafted by the Astros in the 1st round (8th pick) of the Secondary Phase, but did not sign.

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