1964 Houston Colt .45s season

1964 Houston Colt .45s
LeagueNational League
BallparkColt Stadium
CityHouston, Texas
Record66–96 (.407)
League place9th
OwnersRoy Hofheinz
General managersPaul Richards
ManagersHarry Craft, Lum Harris
TelevisionKTRK-TV
RadioKPRC (AM)
(Gene Elston, Loel Passe)

The 1964 Houston Colt .45s season was the third season for the Major League Baseball (MLB) franchise located in Houston, Texas, a member of the National League (NL) based at Colt Stadium, The Colt .45s entered the season with a 66–96 record, in ninth place and 33 games behind first place.

On April 23, Ken Johnson pitched the second no-hitter in franchise history. However, he became the first pitcher in major league history to lose a complete game no-hitter in nine innings, a 1–0 defeat to the Cincinnati Reds.

Pitcher Turk Farrell represented the Colt .45s for the MLB All-Star Game, his fourth career selection.

Manager Harry Craft was terminated on September 19 and replaced by bench coach Lum Harris.

The Colt .45s concluded the 1964 season with a 66–96 record, in ninth place in the NL and 27 games behind the eventual World Series champion St. Louis Cardinals. This was the final of three seasons in which Houston played as the Colt .45s and at Colt Stadium before being renamed the Astros and relocating to The Astrodome effective the following year.