Stephan Hörner (born 1958) is a German musicologist and board member of the Gesellschaft für Bayerische Musikgeschichte [de].
Hörner is editor of several editions in the series Memorials of the Tonkunst in Bayern [de] as well as of study volumes and conference reports.
He has also edited various scores.
Together with Bernhold Schmid, Hörner published the Festschrift für Horst Leuchtmann zum 65.
Geburtstag[1] (at Hans Schneider), Tutzing 1993).