| Full Name: | Cassius Ricardo Duran |
| Birth Place: | São Paulo, Brazil |
| Headercolor: | lightsteelblue |
Cassius Ricardo Duran (born May 31, 1979 in São Paulo) is a male diver from Brazil. He represented his native country at three consecutive Summer Olympics, starting in 2000 (Sydney, Australia).[1] Duran won a silver medal at the 2003 Pan American Games in Santo Domingo, Dominican Republic.
Nowadays, Cassius is training at APOE, in Rio de Janeiro.