Rio de Janeiro (disambiguation)

Rio de Janeiro is a city in Brazil.

Rio de Janeiro may also refer to:


 * Rio de Janeiro (state), a state of Brazil
 * Greater Rio de Janeiro, the metropolitan area of the city in Brazil
 * A former name for Guanabara Bay
 * Rio de Janeiro (Bahia), a river in the Brazilian state of Bahia
 * Río de Janeiro (Buenos Aires Metro), a metro station in Buenos Aires
 * Protocol of Rio de Janeiro, a 1942 international agreement