Glenn Danzig (born Glenn Allen Anzalone; June 23, 1955) is an American singer-songwriter, musician, author and entrepreneur. As founder of bands the Misfits, Samhain, and Danzig, he is often considered a progenitor of punk rock and its subgenres, particularly horror punk. He owns the Evilive record label as well as Verotik, an adult-oriented comic book publishing company. Danzig's musical career, beginning in the mid-1970s, has encompassed genres such as punk rock, heavy metal, industrial, blues and classical music. He has written songs for other musicians, including Johnny Cash and Roy Orbison.

As a singer, he is noted for his baritone voice and tenor vocal range; his style has been compared to that of Elvis Presley, Jim Morrison and Howlin' Wolf. Danzig has also cited Bill Medley as a vocal influence.

As an author, he is known for his fascination with horror, gore, occult, erotic and religious themes.