Afonso Costa, Portuguese lawyer and politician, 59th Prime Minister of Portugal (d. 1937)
Afonso Augusto da Costa, GCTE, GCL (Portuguese pronunciation: [ɐˈfõsu ˈkɔʃtɐ]; born in Seia, 6 March 1871; died in Paris, 11 May 1937) was a Portuguese lawyer, professor and republican politician.