The following are the baseball events of the year 1966 throughout the world.

Champions

Major League Baseball

• World Series: Baltimore Orioles over Los Angeles Dodgers (4–0); Frank Robinson, MVP
• All-Star Game, July 12 at Busch Stadium: National League, 2–1 (10 innings); Brooks Robinson, MVP

Other champions

• College World Series: Ohio State
• Japan Series: Yomiuri Giants over Nankai Hawks (4–2)
• Little League World Series: Westbury American, Houston, Texas
• Senior League World Series: East Rochester, New York

Awards and honors

• Baseball Hall of Fame
  • Casey Stengel
  • Ted Williams
• Most Valuable Player
  • Frank Robinson (AL)
  • Roberto Clemente (NL)
• Cy Young Award
  • Sandy Koufax
• Rookie of the Year
  • Tommie Agee (AL)
  • Tommy Helms (NL)
• Gold Glove Award
  • (P) Jim Kaat, Minnesota Twins (AL); Bob Gibson, St. Louis Cardinals (NL)
  • (C) Bill Freehan, Detroit Tigers (AL); John Roseboro, Los Angeles Dodgers (NL)
  • (1B) Joe Pepitone, New York Yankees (AL); Bill White, Philadelphia Phillies (NL)
  • (2B) Bobby Knoop, California Angels (AL); Bill Mazeroski, Pittsburgh Pirates (NL)
  • (3B) Brooks Robinson, Baltimore Orioles (AL); Ron Santo, Chicago Cubs (NL)
  • (SS) Luis Aparicio, Baltimore Orioles (AL); Gene Alley, Pittsburgh Pirates (NL)
  • (OF) Tommie Agee, Chicago White Sox (AL); Roberto Clemente, Pittsburgh Pirates (NL)
  • (OF) Al Kaline, Detroit Tigers (AL); Curt Flood, St. Louis Cardinals (NL)
  • (OF) Tony Oliva, Minnesota Twins (AL); Willie Mays, San Francisco Giants (NL)

Statistical leaders

¹American League Triple Crown Batting winner
²Major League Triple Crown Pitching winner

Major league baseball final standings