Band members:

Vocals
Paul Mario Day (1975-1976)
Dennis Willcock (1976-1977)
Paul Di'Anno (1978-1981)
Bruce Dickinson (1981-1993 and 1999-present)
Blaze Bayley (1994-1998)

Guitar
Terry Rance (1975-1976)
Dave Sullivan (1975-1976)
[a=Dave Murray (2)] (1976-1977 and 1978-present)
[a=Bob Sawyer (3)] (1977)
Terry Wapram (1977-1978)
[a=Paul Cairns (2)] (1978-1979)
Paul Todd (1979)
[a=Tony Parsons (3)] (1979)
Dennis Stratton (1979-1980)
[a=Adrian Smith (2)] (1980-1990 and 1999-present)
Janick Gers (1990-present)

Bass
Steve Harris (1975-present)

Drums
[a=Ron "Rebel" Matthews] (1975-1977)
Barry "Thunderstick" Purkis (1977)
Doug Sampson (1977-1979)
Clive Burr (1980-1982)
Nicko McBrain (1982-present, not touring since 2024)
[a=Simon Dawson (3)] (2025, live performances only)

Keyboards
Tony Hustings-Moore (1977)
Michael Kenney (1986-present, live performances only, not a full member)

Winner of 1 Grammy Award:
Metal Performance for "El Dorado" from The Final Frontier.