The St. Louis Cardinals 1984 season was the team's 103rd season in St. Louis, Missouri and the 93rd season in the National League. The Cardinals went 84–78 during the season and finished third in the National League East, 12½ games behind their arch-rivals, the Chicago Cubs. It was also the final season of the Columbia blue road uniforms for the Cardinals.

Offseason

Regular season

Pitcher Joaquín Andújar and shortstop Ozzie Smith won Gold Gloves this year. Bruce Sutter had a then-NL record of 45 saves.

Season standings

Record vs. opponents

Notable transactions

Draft picks

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

League top ten finishers

Farm system

LEAGUE CHAMPIONS: Louisville