JJ Burnel from The Stranglers, Klaus Floride from Dead Kennedys, Martin Glover from Killing Joke and Paul Raven from Killing Joke. Nice list, bass players are almost always under-rated.
Dusty Hill of ZZ Top.
Jack Bruce of Cream.
Geddy Lee of Rush.
Bootsy Collins of James Brown, Funkadelic, & Boostys Rubber Band.
Larry Graham of Family Stone, and Graham Central Station.
Bill Black of Elvis band and Bill Black Combo.
Lee Rocker of Stray Cats.
Rick Danko of the Band.
Carl Radle of Derek and the Dominos.
Rick Grech of Family.
Ronnie Lane of The Faces.
Ron Wood of The Jeff Beck Group (before switching to guitar)
Phil Lyncott of Thin Lizzy.
Lemmy of Motorhead.
Roger Waters of Pink Floyd.
Boz Burrell of King Krimson and Bad Company.
Donald 'Duck' Dunn of The MG's.
Roger Glover of Deep Purple.
Geezer Butler of Black Sabbath
Danny Klein of The J Geils Band.
Red Hot Chili Peppers bassist Flea (Michael Peter Balzary), you must add him. Not the biggest fan of the the band, but oh God, just listen his grooves in "Californication" or "The Adventures of Rain Dance Maggie", or write 'Flea bass solo' to the YouTube. Metallica's former bass player Cliff Burton should be on the list, and don't you miss grandpa called Geezer Butler (Black Sabbath, Heaven and Hell).
What about Fleetwood Mac's John McVie? :)
Jack Bruce of Cream.
Geddy Lee of Rush.
Bootsy Collins of James Brown, Funkadelic, & Boostys Rubber Band.
Larry Graham of Family Stone, and Graham Central Station.
Bill Black of Elvis band and Bill Black Combo.
Lee Rocker of Stray Cats.
Rick Danko of the Band.
Carl Radle of Derek and the Dominos.
Rick Grech of Family.
Ronnie Lane of The Faces.
Ron Wood of The Jeff Beck Group (before switching to guitar)
Phil Lyncott of Thin Lizzy.
Lemmy of Motorhead.
Roger Waters of Pink Floyd.
Boz Burrell of King Krimson and Bad Company.
Donald 'Duck' Dunn of The MG's.
Roger Glover of Deep Purple.
Geezer Butler of Black Sabbath
Danny Klein of The J Geils Band.
Trevor Bolder (David Bowie)
Geezer Butler (Black Sabbath
Roger Waters (Pink Floyd)
Lemmy (Motor Head)
Steve Harris (Iron Maiden)
Buddy Miles (Jimi Hendrix)
Tommy Shannon (Stevie Ray Vaughan)
Great list anyways (Y)