Rogério Sampaio Cardoso (born September 12, 1967 in Santos) is a Brazilian judoka and Olympic champion. He won a gold medal at the 1992 Summer Olympics in Barcelona. He dedicated his medal to his brother Ricardo, who fought in the 1988 Summer Olympics and committed suicide in 1991 after a love disappointment. After retirement, Sampaio runs a dojo in Santos, from which Olympic medalist Leandro Guilheiro originated, and acts as TV commentator. He also coached the Brazilian women's judo team at the 2001 Universiade (fellow Olympic champion Aurélio Miguel coached the masculine).