| Agency Name: | Ministry of Defence |
| Type: | ministry |
| Nativename: | fi|puolustusministeriö sv|försvarsministeriet |
| Picture Caption: | Kaartin kasarmi, the headquarters of the Ministry of Defence[1] |
| Jurisdiction: | Finnish Government |
| Headquarters: | Eteläinen Makasiinikatu 8, Helsinki |
| Budget: | €5.1 billion (2022) |
| Minister1 Name: | Antti Häkkänen |
| Minister1 Pfo: | Minister of Defence |
| Chief1 Name: | Jukka Juusti |
| Chief1 Position: | Permanent Secretary |
The Ministry of Defence (fi|puolustusministeriö, sv|försvarsministeriet) is one of the 12 ministries which comprise the Finnish Government. The ministry is in charge of Finland's national defence policy, national security, and international cooperation in defence policy matters.[2] It is Finland's ministry of defence. The ministry is headed by the Minister of Defence.
The Ministry of Defence's budget for 2018 is €2,871,971,000.[3] As of 2016, roughly 25% of the defence budget was spent in payroll of the defence forces, 20% in procurement of material and 25% in other operational expenses.[4]