1978 Milwaukee Brewers season

The 1978 Milwaukee Brewers season involved the Brewers finishing third in the American League East with a record of 93 wins and 69 losses. The Brewers achieved their first winning season in franchise history, nine in Milwaukee after the first (1969) as the Seattle Pilots.

Offseason

 * October 25, 1977: Gorman Thomas was sent by the Brewers to the Texas Rangers to complete an earlier deal (the Rangers traded Ed Kirkpatrick to the Brewers for a player to be named later) made on August 20.
 * December 6, 1977: Kevin Kobel was purchased from the Brewers by the New York Mets.
 * December 14, 1977: Ken McMullen was released by the Brewers.
 * December 31, 1977: Ray Fosse was signed as a free agent by the Brewers.
 * January 16, 1978: Randy Stein was signed as a free agent by the Brewers.
 * February 8, 1978: Gorman Thomas was purchased by the Brewers from the Rangers.
 * March 30, 1978: Von Joshua was released by the Brewers.

Opening Day starters

 * Jerry Augustine
 * Sal Bando
 * Cecil Cooper
 * Andy Etchebarren
 * Larry Hisle
 * Sixto Lezcano
 * Paul Molitor
 * Don Money
 * Lenn Sakata
 * Gorman Thomas

Notable transactions

 * April 1, 1978: Bob Galasso was signed as a free agent by the Brewers.
 * April 4, 1978: Tony Muser was signed as a free agent by the Brewers.
 * June 6, 1978: Rickey Keeton was drafted by the Brewers in the 3rd round of the 1978 Major League Baseball Draft.
 * August 3, 1978: Jamie Quirk was traded by the Brewers to the Kansas City Royals for Gerry Ako (minors) and cash.

Starters by position
''Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''

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

Starting pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Other pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Relief pitchers
Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts

Farm system
The Brewers' farm system consisted of four minor league affiliates in 1978.