Duet for Guitars may refer to the following works by M. Ward:

Duet for Guitars #2, a 1999 album "Duet for Guitars #2", the first track on the album "Duet for Guitars #1", a bonus track on the 2007 reissue of the album "Duet for Guitars #3," a track on the 2003 album Transfiguration of Vincent