| Agency Name: | Finnish Environment Institute |
| Nativename: | Suomen ympäristökeskus |
| Picture Width: | 180px |
| Headquarters: | Viikki, Helsinki |
| Preceding: | Vesi- ja ympäristöhallitus |
| Jurisdiction: | Government of Finland |
| Employees: | 700 |
| Chief1 Name: | Leif Schulman |
| Chief1 Position: | Director General |
| Parent Department: | Ministry of the Environment |
The Finnish Environment Institute (SYKE) (Finnish: Suomen ympäristökeskus, Swedish: Finlands miljöcentral) is a multidisciplinary research and expert institute under the Ministry of the Environment, Finland. SYKE has four office and research facilities in Helsinki, Oulu, Jyväskylä and Joensuu.