| name | image | type | Context | date effective | Language | location | date signed | Country | continent | depositary |
|---|---|---|---|---|---|---|---|---|---|---|
| 1952 Arrest Convention | Civil protection | 24/02/1956 | Brussels | 10/05/1952 | Belgium | Europe | Belgium | |||
| Moldova–European Union Association Agreement | Union/territorial | framework for cooperation between the EU and a non-EU country | 01/07/2016 | 27/06/2014 | Belgium | Europe | Secretaría General del Consejo de la Unión Europea | |||
| Treaty of Accession 2011 |  | 01/07/2013 | Brussels | 09/12/2011 | Belgium | Europe | Gobierno de Italia | |||
| European Union–Ukraine Association Agreement |  | Union/territorial | framework for cooperation between the EU and a non-EU country | Ukrainian language | Brüssel | 21/03/2014 | Belgium | Europe | Secretaría General del Consejo de la Unión Europea | |
| Agreed Measures for the Conservation of Antarctic Fauna and Flora | 01/11/1982 | 02/06/1964 | Belgium | Europe | United States |