The 2005 Chicago Cubs season was the 134th season of the Chicago Cubs franchise, the 130th in the National League and the 90th at Wrigley Field. The Cubs finished 79–83, fourth place in the National League Central. This was the first season for the WGN-TV broadcast pairing of Bob Brenly and Len Kasper.

Offseason

Regular season

Season standings

National League Central

Record vs. opponents

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

Farm system