Mount Eerie is the musical project of American songwriter and producer Phil Elverum. Elverum is the principal member of the band, but has collaborated with many other musicians on his records and in live performances. Most of Mount Eerie's releases have been issued on Elverum's label P.W. Elverum & Sun, Ltd., and feature highly detailed packaging with his own artwork.

Philip Whitman Elverum is an American musician, songwriter, record producer and visual artist, best known for his musical projects the Microphones and Mount Eerie. Based in Anacortes, Washington, in the mid-2000s he began to spell his surname Elvrum as "Elverum".