1964 Pittsburgh Pirates season

The 1964 Pittsburgh Pirates season was the 83rd in franchise history. The team finished tied for sixth in the National League with a record of 80–82, 13 games behind the St. Louis Cardinals.

Offseason

 * December 2, 1963: Byron Browne was drafted from the Pirates by the Chicago Cubs in the 1963 first-year draft.
 * January 14, 1964: Dock Ellis was signed as an amateur free agent by the Pirates.
 * Prior to 1964 season: John Lamb 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

 * June 13, 1964: Al Oliver was signed as an amateur free agent by the Pirates.
 * September 6, 1964: Wilbur Wood was purchased by the Pirates from the Boston Red Sox.
 * September 12, 1964: Smoky Burgess was selected off waivers from the Pirates by the Chicago White Sox.

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

Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts
 * Pitching