Ybbs an der Donau – 7 April 1936, Graz) was an Austrian classical philologist and archaeologist.
From 1882 he studied classical philology at the University of Vienna, where his influences were Wilhelm von Hartel, Karl Schenkl, Theodor Gomperz and Eugen Bormann, the latter of whom, introduced Heberdey to Roman epigraphy.
[1] From 1894 to 1898 he was assigned to the Kleinasiatischen Kommission (Asia Minor Commission) of the Vienna Academy, and afterwards, spent several years as secretary of the branch office at the Austrian Archaeological Institute in Smyrna (1898-1903).
In 1896 he began systematic excavatory work at Ephesus that led to extraordinary findings.
[1] He also made important contributions to the "Tituli Asiae Minoris" (TAM; a collection of inscriptions of the Vienna Academy).