1984 in heavy metal music

This is a timeline documenting the events of heavy metal in the year 1984.

Newly formed bands

• Agent Steel
• Annihilator
• Atheist
• Blind Guardian (under the name "Lucifer's Heritage" until 1988)
• Candlemass
• Celtic Frost
• Death
• Eudoxis
• King Kobra
• Living Colour
• Nepal
• Nuclear Assault
• Primus
• Rage (under the name "Avenger" until 1986)
• Razor
• Sadus
• Sepultura
• Soundgarden
• Stratovarius
• The Cult
• Tony MacAlpine
• Uncle Slam (known as The Brood until 1987)
• Warrant
• Whiplash
• Yngwie Malmsteen

Albums & EPs

Events

• Def Leppard's drummer Rick Allen loses his left arm in a car accident on December 31.
• Deep Purple reunite.
• Hanoi Rocks drummer Razzle is killed in an automobile accident in early December. The driver of the car is Vince Neil of Mötley Crüe.
• The debut albums of both Saint Vitus (Saint Vitus) and Trouble (Psalm 9) are released.