I've forgotten John McLaughlin too.

1) Robyn Guthrie
2) Brian Setzer
3) Ani Difranco
4) Joey Santiago
5) Thurston Moore
6) Angus Young
7) Johnny Marr
8) Prince
9) Bonnie Raitt
10)Jason Pierce

1. Ry Cooder
2. Jimmy Page
3. Mark Knopfler
4. Larry Carlton
5. Django Reinhardt
6. Les Paul
7. Steve Howe
8. George Harrison
9. Pete Townshend
10. Neil Young
11. Wes Montgomery
12. Pat Metheny
13. Richard Thompson
14. Robert Fripp
15. Chuck Berry
16. Johnny Marr
17. Marc Ribot
18. David Gilmour
19. Duane Allman
20. Gary Moore

If it was 'greatest' and not 'favorite' I would have to include Clapton and Santana.

1) Jimi Hendrix
2) Jimmy Page
3) Jack White
4) Eddie Van Halen
5) The Edge
6) Slash
7) Patterson Hood
8) Keith Richards
9) Chuck Berry
10) George Harrison

I might have trouble going farther than that because I don't know enough names. I'm not quite sure, for instance, who does the guitar parts for Wilco and Sleater-Kinney.

last time I posted I only put in 9 guitarists. this should be my real top 10.

1. Jimi Hendrix
2. Eric Clapton
3. Tom Verlaine
4. Nels Cline
5. Jack White
6. Jimmy Page
7. Frank Zappa
8. Duane Allman
9. Jonny Greenwood
10. Jerry Garcia

1. Kevin Shields
2. Thurston Moore
3. Johnny Marr
4. Bernard Sumner
5. Johnny Greenwood
6. John Squire
7. Rogers Stevens
8. The Edge
9. Tom Verlaine
10. J Mascis
11. Joni Mitchell
12. Neil Young
13. Johnny Ramone
14. George Harrison
15. Kurt Cobain
16. Jimi Hendrix
17. Keith Richards
18. Tom Morello
19. David Gimour
20. Kyp Malone
20.

Can I post my Top 15, not 20?

1. Graham Coxon
2. Shawn Lane
3. Kirk Hammett
4. Ziemas
5. Slash
6. Wojciech Waglewski
7. Matthew Followill
8. Brian May
9. The Edge
10. Jonny Greenwood
11. George Harrison
12. Prince
13. Mark Knopfler
14. Noel Gallagher
15. Martin Gore