The 2003 Colorado Rockies season was their 11th in Major League Baseball and 9th season at Coors Field. Clint Hurdle was the manager. They finished with a record of 74–88, fourth in the National League West, and missing the postseason for the 8th consecutive season.

Offseason

Regular season

Season standings

National League West

Record vs. opponents

Notable transactions

Major League debuts

Roster

Game log

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

Farm system