The 1973 Montreal Expos season was the fifth season in the history of the franchise. The Expos finished in fourth place in the National League East with a record of 79–83, 3 1/2 games behind the New York Mets.

Offseason

Spring training

After holding spring training at West Palm Beach Municipal Stadium in West Palm Beach, Florida, from 1969 to 1972, the Expos moved to City Island Ball Park in Daytona Beach for spring training in 1973. They trained at City Island Ball Park through 1980 before returning to West Palm Beach Municipal Stadium for the 1981 season.

Regular season

Season standings

Record vs. opponents

Opening Day lineup

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

Award winners

All-Stars

1973 Major League Baseball All-Star Game

Farm system