Interventionism may refer to:
- Interventionism (politics) is a political term for significant activity undertaken by a state to influence something not directly under its control.
- Economic interventionism is any activity, beyond the basic regulation of fraud, undertaken by a central government in an effort to affect a country's economy.
- Interventionism (medicine) is also a medical term in which patients are viewed as passive recipients receiving external treatments that have the effect of prolonging life.
interventionism in Italian: Interventismo (disambigua)