William Abbott Oldfather
William Abbott Oldfather (23 October 1880 – 27 May 1945) was an American classical scholar.
He was born in Urumiah, Persia (now Urmia, Iran) to missionary parents, Jeremiah Oldfather and Felicia (née Rice). The classical scholar Charles Henry Oldfather (1887–1954) was his younger brother; he was noted for many translations, and they sometimes worked together.
He was awarded a doctorate by the University of Munich, in 1908.
He was on the faculty of the University of Illinois from 1909, where he remained for the rest of his life.
Oldfather died in Homer, Illinois.
- Ysopet-Avionnet: The Latin and French Texts (1919) with Kenneth McKenzie
- Discourses of Epictetus (1925), Loeb Classical Library, translator
- Contributions Toward a Bibliography of Epictetus (1927)
- Index Apvleianvs (1934)
- Index verborum Ciceronis Epistularum (1938) with H. V. Canter and K. M. Abbott
- Studies in the text tradition of St. Jerome's Vitae patrum (1943) editor
- IDL pp 62–69 at cwcfamily.org