Andy Ernst is a music producer and engineer who has worked with bands such as Green Day, Rancid and AFI. Most of his work is done with punk rock bands.

[edit] Production discography

• Green Day- 1,000 Hours (EP) (1989)
• Green Day- 39/Smooth (1990)
• Green Day- Slappy (EP) (1990)
• Screeching Weasel- My Brain Hurts (1991)
• Rancid- Rancid (EP) (1992)
• Fifteen- Swain's First Bike Ride (1992)
• Green Day- Kerplunk (1992)
• Screeching Weasel- Anthem for a New Tomorrow (1993)
• Big Rig- Expansive Heart (EP) (1994)
• Screw 32- Unresolved Childhood Issues (1995)
• Link 80- 17 Reasons (1997)
• Redemption 87- All Guns Poolside (1998)
• AFI- A Fire Inside (EP) (1998)
• The Nerve Agents- Days Of The White Owl (2000)
• The Nerve Agents- The Butterfly Collection (2001)