1979 Houston Astros season

The 1979 Houston Astros season was a season in American baseball. The team finished second in the National League West, 1½ games behind the first-place Cincinnati Reds. The 1979 Astros were the last National League franchise in the 20th century to hit more triples than home runs. The club had 52 triples compared to 49 home runs.

Offseason

 * December 8, 1978: Floyd Bannister was traded by the Astros to the Seattle Mariners for Craig Reynolds.

Notable transactions

 * April 27, 1979: The Astros traded a player to be named later to the Kansas City Royals for George Throop. The Astros completed the deal by sending Keith Drumright to the Royals on October 26.
 * June 13, 1979: Bob Watson was traded by the Astros to the Boston Red Sox for Pete Ladd, a player to be named later, and cash. The Red Sox completed the deal by sending Bobby Sprowl to the Astros on June 19.

Draft picks

 * June 5, 1979: 1979 Major League Baseball draft
 * John Mizerock was drafted by the Houston Astros in the 1st round (8th pick).
 * Bill Doran was drafted by the Astros in the 6th round.
 * Mark Ross was drafted by the Astros in the 7th round.
 * Lemmie Miller was drafted by the Astros in the 1st round (20th pick) of the secondary phase, but did not sign.

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; Innings pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts

Farm system
LEAGUE CHAMPIONS: GCL Astros