The 1990 St. Louis Cardinals season was the team's 109th season in St. Louis, Missouri and its 99th season in the National League. The Cardinals went 70–92 during the season and finished in sixth place of the National League East division, 25 games behind the NL East champion Pittsburgh Pirates. It was the first time the Cardinals had finished in last place since 1918. This was the most recent season the Cardinals finished in last place until 2023.

Offseason

Regular season

Shortstop Ozzie Smith won a Gold Glove this year.

Opening Day starters

Season standings

Record vs. opponents

Notable transactions

Roster

Player stats

Batting

Starters by position

''Note: Pos = Position; G = Games played; AB = At bats; R = Runs; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in; SB = Stolen bases''

Other batters

''Note: G = Games played; AB = At bats; R = Runs; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in; SB = Stolen bases''

Pitching

Starting pitchers

Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; BB = Walks allowed; SO = Strikeouts

Other pitchers

Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; BB = Walks allowed; SO = Strikeouts

Relief pitchers

Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; BB = Walks allowed; SO = Strikeouts

Awards and honors

All-Stars

Farm system