Fernando de Oliveira Saez (born 2 October 1974 in Rio de Janeiro) is a former international freestyle swimmer from Brazil. He participated for his native country at the 1996 Summer Olympics. He is currently a swimming teacher and coordinator of the Academia da Praia and of the swimming school he has with fellow Olympian Luiz Lima. He was a swimming athlete for the Fluminense when he won the silver medal at the 1995 Pan American Games in Mar del Plata, in the 4x200 meter freestyle relay. He also defended the Vasco da Gama and the Flamengo.