| name | image | type | Context | date effective | Language | location | date signed | Country | continent | depositary |
|---|---|---|---|---|---|---|---|---|---|---|
| Inter-American Convention on Forced Disappearance of Persons | 28/03/1996 | English language | Belém | 09/06/1994 | Brazil | Americas | Organization of American States | |||
| Treaty of Limits (Brazil–Netherlands) | Union/territorial | 1908 | French language | Rio de janeiro | 05/05/1906 | Brazil | Americas | |||
| Treaty of Rio de Janeiro (1825) | Portuguese language | Rio de janeiro | 1825 | Brazil | Americas | |||||
| UNASUR Constitutive Treaty | 11/03/2011 | Portuguese language | Brasília | 23/05/2008 | Brazil | Americas | ||||
| Inter-American Conference on Problems of War and Peace |  | 12/03/1948 | French language | 02/09/1947 | Brazil | Americas |