| Birth Date: | January 4, 1954 |
Roberto Zuasnabar Machusso (born January 4, 1954) is a retired competitive judoka from Brazil, who represented his native country at the 1976 Summer Olympics in Montréal, Canada.
He twice claimed a medal at the Pan American Games, in 1975 and 1979. Machusso won the silver medal at the 1975 Pan American Games in the men's lightweight division ( - 70 kg), after a loss in the final against Canada's Wayne Erdman.