Paul Maas (18 November 1880, in Frankfurt am Main – 15 July 1964, in Oxford) was a German scholar who, among other things, developed principles of textual criticism inherited from Karl Lachmann.
In 1934 he was forced into retirement by the Nazi government due to his Jewish ancestry, and in 1939 he emigrated to Great Britain, where he taught classes at Oxford University.
His research interests lied mainly in textual criticism of Greek literature, poetry in particular.
Unlike most of his colleagues, he produced a relatively small number of critical editions: of a collection of Byzantine liturgical poetry (1910); of Apollonius Dyscolus' treatise "On pronouns" (1911); and of Romanos the Melodist's poetry, with Greek scholar C. A. Trypanis (1963, 1970).
[10] He also wrote a handbook of "Greek metre" (1923) and the handwritten notes for his unpublished "Byzantinische Metrik" have recently been discovered at Copenhagen.