The 1978 Kansas City Royals season was their tenth in Major League Baseball.
The Royals won their third consecutive American League West title with a record of 92–70.
For the third postseason in a row, Kansas City lost to the New York Yankees, falling 3-1 in the ALCS.
Infielders Other batters 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 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 October 3: Royals Stadium October 4: Royals Stadium October 6: Yankee Stadium October 7: Yankee Stadium LEAGUE CHAMPIONS: Omaha