Brain Salad Surgery
Album studio karya Emerson, Lake & Palmer
Dirilis	19 November 1973
Direkam	Juni-September 1973
Genre	Progressive Rock
Durasi	45:04 (58:43 on 1996 re-release)
Label	Manticore Records
Produser	Greg Lake
Kronologi Emerson, Lake & Palmer
Trilogy (1972)Trilogy1972 Brain Salad Surgery (1973) Welcome Back My Friends to the Show That Never Ends (1974)Welcome Back My Friends to the Show That Never Ends1974

Brain Salad Surgery adalah album keempat Emerson, Lake & Palmer, diterbitkan pada 1973. Sampulnya dikerjakan oleh H. R. Giger.

1. "Jerusalem" (William Blake, Hubert Parry) – 2:44
2. "Toccata" (Alberto Ginastera, arr. Emerson) – 7:22
3. "Still...You Turn Me On" (Lake)– 2:53
4. "Benny the Bouncer" (Emerson, Lake, Peter Sinfield) – 2:21
5. "Karn Evil 9" (Emerson, Lake, Sinfield) – 29:54
   • "Karn Evil 9: 1st Impression, Pt. 1" (Emerson, Lake, Sinfield) – 8:43
   • "Karn Evil 9: 1st Impression, Pt. 2" (Emerson, Lake) – 4:46
   • "Karn Evil 9: 2nd Impression" (Emerson, Lake) – 7:07
   • "Karn Evil 9: 3rd Impression" (Emerson, Lake) – 9:03
6. "The Making of Brain Salad Surgery" (on the 1996 Rhino Records release.) - 13:38

• Keith Emerson – organs, piano, harpsichord, accordion, custom-built Moog synthesizers & Moog Polyphonic ensemble, computer voice on 5
• Greg Lake – vocals, bass, guitar, 6 string electric guitar, 12 string electric guitar
• Carl Palmer – percussion, percussion synthesizers