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

Regular season

Season standings

Record vs. opponents

Notable transactions

Roster

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

Awards and honors

All-Star Game

Farm system

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