Jake Armerding is an American folk musician and multi-instrumentalist from Boston, Massachusetts. He plays mostly acoustic string instruments like the mandolin, acoustic guitar, and fiddle. In 1990, Jake began playing with Northern Lights occasionally. He joined the band full-time in 1992 and was a member until 1999 when he left the band to pursue a solo career. Jake attended Wheaton College where he received a degree in English literature. In 2001, Armerding won the Best New Artist Award from Boston's folk-radio station, WUMB.

In addition to his solo efforts, Jake makes up half of a duo, The Fretful Porcupine, along with saxophonist Kevin Gosa. Armerding is also a member of Barnstar!, a "bluegrass [band] for people who hate bluegrass." He is on the faculty of the Traditional Music Project housed at the Real School of Music in Burlington, Massachusetts.