Rogério Aoki Romero (born 22 November 1969 in Londrina, Paraná) is a former backstroke swimmer from Brazil, who competed at five consecutive Summer Olympics for his native country, starting in 1988.
A resident of Belo Horizonte, he won the gold medal in the 200-metre backstroke at the 1991 Pan American Games in Havana, Cuba.
Twelve years later he once again did so at the 2003 Pan Am Games.