1955 St. Louis Cardinals season

The 1955 St. Louis Cardinals season was the team's 74th season in St. Louis, Missouri and the 64th season in the National League. The Cardinals went 68–86 during the season and finished seventh in the National League, $30 1/2$ games behind the Brooklyn Dodgers.

Outfielder Bill Virdon won the Rookie of the Year Award this year, batting .281, with 17 home runs and 68 RBIs. This was the second consecutive year a Cardinal won the Rookie of the Year Award, with Wally Moon winning the previous season. The Cardinals would have this occur again in 1985 and 1986, with Vince Coleman and Todd Worrell, respectively.

Offseason

 * October 19, 1954: Peanuts Lowrey was released by the Cardinals.
 * November 22, 1954: Jim King was drafted from the Cardinals by the Chicago Cubs in the 1954 rule 5 draft.
 * November 30, 1954: Benny Valenzuela was drafted by the Cardinals from the Bisbee-Douglas Copper Kings in the 1954 minor league draft.
 * December 8, 1954: Ray Jablonski and Gerry Staley were traded by the Cardinals to the Cincinnati Redlegs for Frank Smith.
 * Prior to 1955 season: Duke Carmel was signed as an amateur free agent by the Cardinals.

Notable transactions

 * June 3, 1955: Del Rice was traded by the Cardinals to the Milwaukee Braves for Pete Whisenant.

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

Awards and honors
All-Star Game
 * Red Schoendienst, second base, starter
 * Luis Arroyo, reserve
 * Harvey Haddix, reserve
 * Stan Musial, reserve

Farm system
LEAGUE CHAMPIONS: Rochester, Fresno, Paducah, Hamilton; LEAGUE CO-CHAMPIONS: Johnson City