1983 Montreal Expos season

The 1983 Montreal Expos season was the 15th season in franchise history. They finished 82–80, 8 games back of the Philadelphia Phillies in the National League East. At the end of the season, the Expos had managed the best cumulative winning percentage in the National League from 1979 to 1983.

Offseason

 * November 3, 1982: Bobby Ramos was purchased by the Expos from the New York Yankees.
 * December 23, 1982: Woodie Fryman was signed as a free agent with the Expos.
 * February 7, 1983: Jerry Manuel was traded by the Expos to the Chicago Cubs for Butch Benton.
 * March 31, 1983: Ken Phelps was purchased from the Expos by the Seattle Mariners.

Spring training
The Expos held spring training at West Palm Beach Municipal Stadium in West Palm Beach, Florida – a facility they shared with the Atlanta Braves. It was their seventh season at the stadium; they had conducted spring training there from 1969 to 1972 and since 1981.

Regular season

 * April 17, 1983: Andre Dawson became Nolan Ryan's 3500th strikeout.
 * April 27, 1983: Nolan Ryan of the Astros struck out Brad Mills to break Walter Johnson's all time mark for strikeouts in a career. Mills was the 3,509th strikeout of Ryan's career.

Notable transactions

 * May 4, 1983: Chris Welsh was purchased by the Expos from the San Diego Padres.
 * June 6, 1983: Cliff Young was drafted by the Expos in the 5th round of the 1983 Major League Baseball draft.
 * June 18, 1983: Sergio Valdez was signed as an amateur free agent by the Expos.
 * August 17, 1983: Don Carter (minors) and $300,000 were traded by the Expos to the Cleveland Indians for Manny Trillo.
 * September 27, 1983: Greg Harris was selected off waivers by the Expos from the Cincinnati Reds.

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

Awards and honours
1983 Major League Baseball All-Star Game
 * Andre Dawson, National League Gold Glove
 * Tim Raines, National League Stolen Base Leader, 90

Farm system
LEAGUE CHAMPIONS: Gastonia