Belphegor on Austria blackened death metal'i ansambel, mis aastatel 1991–1993 tegutses nimega Betrayer.

• Helmuth – laulja (alates 1993), kitarrist (alates 1991)
• Morluch – kitarrist (alates 2008)
• Serpenth – basskitarrist, taustalaulja (alates 2006)
• Nefastus – trummar (stuudios)
• Robert Kovacic – trummar (kontsertidel)

• Torturer (2003–2005, 2008)
• Chris (1991–1993)
• Man (1997, 2000)
• Tony Laureano (2007)
• Jan B. (2006)

• Maxx (1991–1993)
• A-X (1993–1996)
• Marius "Reverend Mausna" Klausner (1996–2002)
• Barth (2002–2006)
• Robin Eaglestone (2006)

• Sigurd (1991–2007)
• Anthony Paulini (2008)

• 1995 – The Last Supper
• 1997 – Blutsabbath
• 2000 – Necrodaemon Terrorsathan
• 2003 – Lucifer Incestus
• 2005 – Goatreich-Fleshcult
• 2006 – Pestapokalypse VI
• 2008 – Bondage Goat Zombie
• 2009 – Walpurgis Rites - Hexenwahn
• 2011 – Blood Magick Necromance

• Kruzifixion (nimega Betrayer) (1991)
• Unborn Blood (nimega Betrayer) (1991–1992)
• Bloodbath in Paradise (1993)
• Obscure and Deep (1994)

• Infernal Live Orgasm (2002)

• "Vomit Upon the Cross" (2001)
• "Lucifer Incestus" (2004)
• "Bleeding Salvation" (2005)
• "Belphegor - Hell's Ambassador" (2006)
• "Bluhtsturm Erotika" (2006)
• "Bondage Goat Zombie" (2008)
• "Der Geistertreiber" (2009)
• "Impaled Upon The Tongue of Sathan" (2011)

• Ametlik koduleht