1999 Pittsburgh Pirates season

The 1999 Pittsburgh Pirates season was the 118th season of the franchise; the 113th in the National League. This was their 30th season at Three Rivers Stadium. The Pirates finished third in the National League Central with a record of 78–83.

Offseason

 * October 15, 1998: Chance Sanford was released by the Pittsburgh Pirates.
 * November 17, 1998: Mike Benjamin was signed as a free agent by the Pirates.
 * November 18, 1998: Ricardo Rincón was traded by the Pirates to the Cleveland Indians for Brian Giles.
 * December 22, 1998: Rafael Bournigal was signed as a free agent by the Pirates.
 * March 27, 1999: Rafael Bournigal was released by the Pittsburgh Pirates.
 * March 31, 1999: Elmer Dessens was released by the Pirates.

Game log
Bold = Pittsburgh Pirates team member''
 * ''Legend:      = Win       = Loss
 * ''Legend:      = Win       = Loss

Player stats
''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

Awards and honors
1999 Major League Baseball All-Star Game
 * Ed Sprague Jr., 3B, reserve

Notable transactions

 * May 17, 1999: Dale Sveum was signed as a free agent by the Pirates.
 * July 23, 1999: José Guillén and Jeff Sparks were traded by the Pirates to the Tampa Bay Devil Rays for Joe Oliver and Humberto Cota.