The Regional Environmental Protection Agency (Italian: Agenzia regionale per la protezione ambientale), commonly shortened to ARPA, is the Italian environmental agency, one for each region of Italy (excluding Trentino-Alto Adige/Südtirol, which has been split for the two Autonomous Provinces of Trento and Bolzano).

The agencies are under regional or provincial administration and their main role is the natural environmental protection of Italy, with the task of keep under control the natural environment and verify environmental regulations.

Official websites of the agencies (all in Italian):