Treaty of Rio de Janeiro
Treaty of Rio de Janeiro (Portuguese Tratado do Rio de Janeiro ) stands for:
- Treaty of Rio de Janeiro 1825 , treaty between the Kingdom of Portugal and the Empire of Brazil
- Treaty of Rio de Janeiro 1828 , Treaty of Independence from Uruguay
- Treaty of Rio de Janeiro 1909 , treaty between Peru and Brazil defining the boundaries of Acre
- Treaty of Rio de Janeiro (1947), see Inter-American Treaty of Mutual Assistance