Moritz Heyne (June 8, 1837, Weißenfels - March 1, 1906, Göttingen) was a German Germanic linguist (Germanist).
He taught as a professor at the University of Halle (1869-1870), University of Basel (1870-), University of Göttingen (1883-).
He worked with Jakob Grimm to edit his dictionary after 1867.
- Laut- und Flexionslehre der altgermanischen Dialekte, 1862
- Heliand, 1866
- Deutsches Wörterbuch, 3 vols., 1890-1895
- Ruodlieb, 1897