The 1958 Kansas City Athletics season was the team's fourth in Kansas City and the 58th in the American League. The season involved the A's finishing seventh in the American League with a record of 73 wins and 81 losses, 19 games behind the World Champion New York Yankees.
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
<small>Rochester franchise moved to Winona, June 29, 1958</small>