Antoine Thomas (29 November 1857, Saint-Yrieix-la-Montagne – 17 May 1935, Paris) was a French linguist.
He is known for his work with Adolphe Hatzfeld and Arsène Darmesteter, on the Dictionnaire général de la langue française du commencement du XVIIe siècle à nos jours, which was issued in parts from 1890 to 1900.
In 1883 he became a lecturer of Romance languages and literature at the Faculty of Letters of Toulouse, and from 1888 taught classes at the Sorbonne, where in 1901 he was appointed a full professor of medieval literature and Romance philology.
[1] From 1895 to 1910 he was director of studies in Romance philology at the École pratique des Hautes Études.
In 1904 he was elected a member of the Académie des Inscriptions et Belles-Lettres.