The 1986 Pittsburgh Pirates season was the 105th season of the Pittsburgh Pirates franchise; and their 100th in the National League. This was their 17th season at Three Rivers Stadium. The Pirates finished sixth and last in the National League East with a record of 64–98. This was also the rookie season of left fielder Barry Bonds, who led the Pirates with 36 stolen bases and finished second on the club with 16 home runs.