The 1997 Houston Astros season was the 36th season for the Major League Baseball (MLB) franchise in Houston, Texas. In their fourth season in the National League Central and first under former player/broadcaster-turned manager Larry Dierker, the Astros finished in first place, giving them their first playoff berth in eleven years. They clinched the division title on September 25, eleven years to the day that they had clinched the National League West in 1986.

Offseason

December 2, 1996: Pat Listach signed as a free agent with the Houston Astros.

Regular season

On May 20, Jeff Bagwell collected his 1,000th career hit on a home run (his first of two on the day) off Calvin Maduro in a 9–5 win over the Philadelphia Phillies.

Season standings

Record vs. opponents

Opening Day starters

Notable transactions

Roster

Game log

Regular season

Postseason Game log

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

National League Divisional Playoffs

The Atlanta Braves defeated the Houston Astros, three games to none.

Farm system