The 1966 Cincinnati Reds season consisted of the Reds finishing in seventh place in the National League with a record of 76–84, 18 games behind the NL Champion Los Angeles Dodgers. The Reds were managed by Don Heffner (37–46) and Dave Bristol (39–38), who replaced Heffner in mid-July.
Offseason
December 9, 1965: Frank Robinson was traded by the Reds to the Baltimore Orioles for Milt Pappas, Jack Baldschun, and Dick Simpson.
Regular season
Season standings
Record vs. opponents
Notable transactions
April 4, 1966: Marty Keough was purchased from the Reds by the Atlanta Braves. June 7, 1966: Gary Nolan was drafted by the Reds in the 1st round (13th pick) of the 1966 Major League Baseball draft.
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