The 1980 Milwaukee Brewers season involved the Brewers' finishing third in the American League East with a record of 86 wins and 76 losses. The Brewers led MLB in home runs (203), grand slams (8), runs batted in (774), slugging percentage (.448), on-base plus slugging (.777) and OPS+ (114).

Offseason

Regular season

Season standings

Record vs. opponents

Notable transactions

Roster

Player stats

Batting

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''

Pitching

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

Awards and honors

Farm system

The Brewers' farm system consisted of five minor league affiliates in 1980. The Holyoke Millers won the Eastern League championship, and the Stockton Ports won the California League championship.