| name | image | type | Context | date effective | Language | location | date signed | Country | continent | depositary |
|---|---|---|---|---|---|---|---|---|---|---|
| Treaty on Open Skies |  | 01/01/2002 | Russian language | Helsinki | After 24/03/1992 | Finland | Europe | |||
| Treaty of Nystad |  | Uusikaupunki | 30/08/1721 | Finland | Europe | |||||
| Treaty of Åbo | Turku | 18/08/1743 | Finland | Europe | ||||||
| Treaty of Fredrikshamn | Hamina | 17/09/1809 | Finland | Europe |