• Maurice White - vocals, drums, percussion, kalimba
• Wade Flemons - vocals, vibes, electric piano
• Don Whitehead - keyboards, vocals
• Verdine White - bass
• Sherry Scott - vocals
• Michael Beal - guitar, harmonica
• Leslie Dayton - trumpet
• Alex Thomas - trombone
• Chester (Chet) Washington - tenor saxophone
• Yackov Ben Israel - (Phil Williams) - congas, percussion

1972

• Maurice White - vocals, drums, kalimba
• Verdine White - bass
• Philip Bailey - vocals, congas, percussion
• Jessica Cleaves - vocals
• Larry Dunn - keyboards
• Roland Bautista - guitars
• Ronnie Laws - soprano and tenor saxophone, flute
• Ralph Johnson - drums, percussion

1973

• Maurice White - vocals, drums, kalimba
• Verdine White - bass
• Philip Bailey - vocals, congas, percussion
• Jessica Cleaves - vocals
• Larry Dunn - keyboards
• Al McKay - guitars, percussion
• Johnny Graham - guitar, percussion
• Andrew Woolfolk - saxophones, flute
• Ralph Johnson - drums, percussion

1974-83

• Maurice White - vocals, drums, kalimba
• Verdine White - bass
• Philip Bailey - vocals, congas, percussion
• Larry Dunn - keyboards
• Al McKay - guitars, percussion (1974-80)
• Johnny Graham - guitars, percussion
• Roland Bautista - guitar (1981-83)
• Andrew Woolfolk - saxophones, flute, percussion
• Ralph Johnson - drums (1974-80),
  vocals, percussion (1981-83)
• Fred White - drums (1975-)

The Phenix Horns (1974-81)

• Michael Harris - trumpet, flugelhorn
• Rahmlee Michael Davies - trumpet, flugelhorn
• Louis Satterfield - trombone
• Don Myrick - saxophones
• Elmar Brown - trumpet (1979)

1987-

• Maurice White - vocals, drums, kalimba
• Verdine White - bass
• Philip Bailey - vocals, percussion
• Sheldon Reynolds - guitar, vocals
• Andrew Woolfolk - saxophones (-1993)
• Ralph Johnson - percussion (1989-)
• Sonny Emory - drums (1989-)
• Morris Pleasure - keyboards (1996-)

The Earth, Wind & Fire Horns (1989-)

• Ray Brown - trumpet
• Reggie Young - trombone
• Gary Bias - saxophones (-1994)
• Scott Mayo - saxophones (1996-)