Alexander Riese (2 June 1840 Frankfurt am Main - 8 October 1924 Frankfurt) was a German classical scholar.
He was born and educated in Frankfurt am Main. Besides his editions of Varro's Satiræ Menippeae (1865), of the Anthologia Latina (1869-70; 2d ed, 1894), of Ovid (1871-77), of the Historia Apollonii Regis Tyri (1871, 2d ed, 1893), of Catullus (1884, with commentary), and of Phaedrus (1885), he published a suggestive essay, Idealisierung der Naturvölker des Nordens in den griechischen und römischen Litteraturen (1875), and two monographs on early German history, Das Rheinland in der Römerzeit (1889) and Das Rheinische Germanien in der antiken Litteratur (1892).