The 1939 New York Giants season was the franchise's 57th season.

The team finished in fifth place in the National League with a 77–74 record, 18½ games behind the Cincinnati Reds.

Infielders Coaches Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg.

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

= Batting average; HR = Home runs; RBI = Runs batted in Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts [4]