Gnanou Diagou (1877–1959) was a lawyer and professor of law in Pondicherry, India.
Gnanou Diagou hailed from a Catholic family from Pondicherry.
He obtained his law degree from the Faculty of Aix in 1902.
[1] He served as president of the Pondicherry Bar Association from 1934.
[2] In 1942, he translated the Tirukkural, an ancient Tamil classic, into French.