Msgr Sebastião Rodolfo Dalgado (8 May 1855 – 4 April 1922) (Romanised Konkani: Sebastianv Rodolf Dalgad) was a Catholic priest, academic, university professor, theologian, orientalist, and linguist from Goa, Estado da Índia. Dalgado distinguished himself as a linguist and etymologist in the study of the influences of língua Portuguesa on a number of languages of southeast Asia. He was a corresponding member of the Academia das Ciências de Lisboa, elected on 27 July 1911. He also became widely renowned during his lifetime as a Konkani language scholar.