Editing Stephen Stills (section)

=== Guest appearances ===
{| class="wikitable"
!Year
!Artist
!Album/Single
!Note
|-
| rowspan="6" |1968
|[[Joni Mitchell]]
|''[[Song to a Seagull]]''
|Bass
|-
|[[Cass Elliot|Mama Cass]]
|[[Dream a Little Dream (Cass Elliot album)|''Dream a Little Dream'']]
|Guitar
|-
|[[Judy Collins]]
|[[Who Knows Where the Time Goes (Judy Collins album)|''Who Knows Where the Time Goes'']]
|Electric guitar, acoustic guitar, bass
|-
|[[Joan Baez]]
|[[Any Day Now (Joan Baez album)|''Any Day Now: Songs of Bob Dylan'']]
|Guitar
|-
|[[The Monkees]]
|[[Head (The Monkees album)|''Head'']]
|Guitar
|-
|[[Richie Havens]]
|''[[Richard P. Havens, 1983]]''
|Guitar
|-
| rowspan="2" |1969
|[[Joni Mitchell]]
|[[Clouds (Joni Mitchell album)|''Clouds'']]
|Guitar, bass
|-
|[[Jefferson Airplane]]
|[[Volunteers (Jefferson Airplane album)|''Volunteers'']]
|Hammond organ
|-
| rowspan="6" |1970
|[[John Sebastian]]
|[[John B. Sebastian (album)|''John B. Sebastian'']]
|Lead guitar, guitar
|-
|[[Eric Clapton]]
|[[Eric Clapton (album)|''Eric Clapton'']]
|Guitar
|-
|[[Timothy Leary]]
|''[[You Can Be Anyone This Time Around]]''
|Guitar
|-
|[[Joni Mitchell]]
|[[Ladies of the Canyon (album)|''Ladies of The Canyon'']]
|Vocals
|-
|[[Doris Troy]]
|[[Doris Troy (album)|''Doris Troy'']]
|Guitar
|-
|[[Neil Young]]
|''[[After the Gold Rush]]''
|Vocals
|-
| rowspan="4" |1971
|[[Rita Coolidge]]
|[[Rita Coolidge (album)|''Rita Coolidge'']]
|Guitar, acoustic guitar
|-
|[[Jimi Hendrix]]
|''[[The Cry of Love]]''
|Piano
|-
|[[Bill Withers]]
|[[Just as I Am (Bill Withers album)|''Just as I Am'']]
|Guitar
|-
|[[Joni Mitchell]]
|[[Blue (Joni Mitchell album)|''Blue'']]
|Guitar, bass
|-
| rowspan="5" |1972
|[[Neil Young]]
|[[Harvest (Neil Young album)|''Harvest'']]
|Backing vocals
|-
|[[Humble Pie]]
|[[Smokin' (Humble Pie album)|''Smokin''']]
|Organ, backing vocals
|-
|[[Mickey Hart]]
|[[Rolling Thunder (album)|''Rolling Thunder'']]
|Bass, mixing
|-
|[[Joni Mitchell]]
|''[[For the Roses]]''
|Rock 'n' roll band
|-
|[[Neil Young]]
|''[[Journey Through the Past]]''
|
|-
|1973
|[[Graham Nash]]
|[[Wild Tales (album)|''Wild Tales'']]
|Played guitar and electric piano under the moniker "Harry Halex"
|-
| rowspan="2" |1974
|[[Véronique Sanson|Veronique Sanson]]
|''Le Maudit''
|Bass, mixing
|-
|[[Elvin Bishop]]
|''Juke Joint Jump''
|Guitar
|-
| rowspan="2" |1975
|[[The Rolling Stones]]
|[[Metamorphosis (Rolling Stones album)|''Metamorphosis'']]
|Said to have played guitar on "I'm Going Down"
|-
|[[Neil Young]]
|[[Zuma (Neil Young & Crazy Horse album)|''Zuma'']]
|Bass, backing vocals
|-
|1976
| rowspan="2" |[[Bee Gees]]
|''[[Children of the World]]''
| rowspan="2" |Percussion on '[[You Should Be Dancing]]'
|-
|1977
|[[Saturday Night Fever (soundtrack)|''Saturday Night Fever'']]
|-
|1977
|[[Dave Mason]]
|[[Let It Flow (Dave Mason album)|''Let It Flow'']]
|Harmony vocals
|-
|1978
|[[Dave Mason]]
|''[[Mariposa de Oro]]''
|Backing vocals
|-
| rowspan="2" |1979
|[[Hoyt Axton]]
|''A Rusty Halo''
|Guitar
|-
|Various artists
|''[[Havana Jam]]''
|Live album contributes song – "Cuba Al Fin"
|-
|1980
|[[Graham Nash]]
|[[Earth & Sky (album)|''Earth & Sky'']]
|Rhythm guitar
|-
| rowspan="3" |1981
|[[Joe Vitale (musician)|Joe Vitale]]
|''[[Plantation Harbor]]''
|Vocals
|-
|[[Michael Schenker Group]]
|[[MSG (Michael Schenker Group album)|''MSG'']]
|Backing vocals
|-
|[[Ringo Starr]]
|''[[Stop and Smell the Roses (Ringo Starr album)|Stop and Smell the Roses]]''
|Lead guitar, vocals, producer
|-
| rowspan="2" |1982
|[[Firefall]]
|''Break of Dawn''
|Electric guitar, piano, Vocals
|-
|Bernard Swell
|''Priez Pour Moi''
|Guitar
|-
|1985
|Yuko Ishikawa ([[:ja:石川優子|石川優子]])
|''Ren-Ai-Kodoku-Nin'' (恋愛孤独人)
|Guitar
|-
|1986
|[[Steve Alaimo]]
|''[[Steve Alaimo]]''
|Guitar
|-
|1997
|[[Jimi Hendrix]]
|''[[First Rays of the New Rising Sun]]''
|Piano
|-
|1998
|[[Public Enemy (band)|Public Enemy]]
|[[He Got Game (soundtrack)|''He Got Game'']]
|Vocals, guitar
|-
|1999
|The Jimmy Rodgers All Stars
|''Blues Blues Blues''
|Vocals, guitar
|-
|2006
|[[Richie Furay]]
|''Heartbeat of Love''
|Harmony vocals
|-
|2012
|[[Neil Young]] and [[Crazy Horse (band)|Crazy Horse]]
|[[Americana (Neil Young & Crazy Horse album)|''Americana'']]
|Guitar, vocals
|-
|2013
|[[Jimi Hendrix]]
|''[[People, Hell and Angels]]''
|Bass guitar
|-
|2014
|[[George Watsky|Watsky]]
|''[[All You Can Do]]''
|Vocals on "Cannonball"
|-
|2018
|[[Jimi Hendrix]]
|''[[Both Sides of the Sky]]''
|Songwriter of "20$ Fine", organ, vocals
|}