1955 Pittsburgh Pirates season

The 1955 Pittsburgh Pirates season was the 74th season of the Pittsburgh Pirates franchise; the 69th in the National League. The Pirates finished eighth and last in the league standings with a record of 60–94.

Offseason

 * Prior to 1955 season: Ellis Burton was signed as an amateur free agent by the Pirates.

Game log

 * Legend:      = Win       = Loss Bold = Pirates team member
 * Legend:      = Win       = Loss Bold = Pirates team member

Notable transactions

 * August 27, 1955: Red Swanson was signed as an amateur free agent (bonus baby) by the Pirates.

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
 * Frank Thomas, reserve

Farm system
LEAGUE CO-CHAMPIONS: Brunswick