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.

[1] At the 1993 FINA World Swimming Championships (25m), in Palma de Mallorca, Romero twice broke the South American record in the 200-metre backstroke, earning 1:57.35 in the heats, and 1:55.90 in the finals, finishing 4th.

He also finished 5th in the 4×100-metre medley, along with Maurício Menezes, Gustavo Borges and José Carlos Souza.

[8] At the 1995 Pan American Games in Mar del Plata, he won the silver medal in the 4×100-metre medley and bronze in the 200-metre backstroke.

[10] At the 1995 FINA World Swimming Championships (25 m) in Rio de Janeiro, he finished 7th in the 100-metre backstroke, with a time of 54.61.