SPARTIANUS, ÆLIUS, a Latin historian, who flourished in the reign of Diocletian, about the year 290. He is known as the author of the lives of Hadrian and Ælius Verus; and to him are likewise ascribed several other lives contained in the collection of "Historiæ Augustæ Scriptores." See Fabricii Bibliotheca Latina, tom. iii. p. 95.