Luís de Almeida Sampaio (Portuguese pronunciation: [luˈiʃ dɨ aɫˈmɐjdɐ sɐ̃ˈpaju]) (born Caetano Luís Pequito de Almeida Sampaio, December 16, 1957 in Porto, Portugal) is a Portuguese career diplomat. He currently serves as the Portuguese Ambassador to Prague.