The 3rd Mountain Artillery Regiment Italian: 3° Reggimento Artiglieria da Montagna) is a field artillery regiment of the Italian Army, specializing in mountain combat. Since their formation the Mountain Artillery Regiments have served alongside the Alpini, a mountain infantry corps of the Italian Army, that distinguished itself in combat during World War I and World War II. The Alpini and Mountain Artillery regiments share, besides their close history, the distinctive Cappello Alpino.
The regiment is part of the Julia Alpine Brigade and is equipped with FH-70 towed howitzers.