Michael Sagmeister (born 27 July 1959 in Frankfurt, West Germany) is a German jazz guitarist.

Sagmeister gained first prominence when he performed in 1975 at the Frankfurt Jazz Festival. The following year he founded the Michael Sagmeister Trio with Udo Kistner (playing bass) and Michael Kuettner on drums which became his most successful ensemble. In the 1980s he toured as a supporting act with the United Jazz and Rock Ensemble by which he became well known in the jazz scene.

From 1993 to 1997 Sagmeister was a lecturer at Berklee College of Music in Boston. In 1999 he became a tenured professor at the Frankfurt University of Music and Performing Arts. Sagmeister published three primers about Jazz guitar.