Sean Beavan (born January 16, 1962) is a musician, record producer, and audio engineer best known for his work with Nine Inch Nails, Marilyn Manson, Guns N' Roses, God Lives Underwater, and Slayer. His production style is typically heavy, with heavily saturated guitars, but his work is diverse and wide ranging as exemplified by bands like No Doubt to System of a Down, to indie bands like Thrice, Envy on the Coast, Hypernova (band), 8mm, and even death metal band Morbid Angel.