Phil Demmel (born April 2, 1967) is the lead guitarist for American heavy metal band Machine Head, and is currently their longest running member in that position. He was also a founding member of Vio-lence, which also included Machine Head guitarist/vocalist Robb Flynn. Demmel was also a member of Torque.

| Title | ||||||
|---|---|---|---|---|---|---|
Machine Head: Elegies | Himself | 5 | 2005-10-11 | 0.3297 | ||
Machine Head - Rock Am Ring | lead guitar, rhythm guitar | 8 | 2012-06-03 | 0.1777 | ||
Machine Head: Live at Download 2007 | Himself | 0 | 2007-06-08 | 0.2008 | ||
Murder in the Front Row: The San Francisco Bay Area Thrash Metal Story | Self | 7.3 | 2019-05-31 | 0.9333 | ||
Machine Head: [2012] Live at Wacken Open Air | Guitars | 0 | 2012-08-04 | 0.4537 | ||
Machine Head: Live At The Regency Ballroom | Himself | 8 | 2018-01-26 | 0.2191 | ||
Kreator - Hate & Hope | Self | 5.5 | 2025-09-04 | 0.572 |