Lost Wisdom is the second studio album by Mount Eerie, with Canadian musicians Julie Doiron and Frederick Squire. It was released on October 7, 2008 on P. W. Elverum & Sun, less than a month before Elverum's next album under the Mount Eerie name, Dawn, was released, which featured songs from this album. A follow-up album, Lost Wisdom pt. 2, was released in 2019, without Frederick Squire.