The Battle of Varese was fought on 26 May 1859 at Varese (Lombardy). It was an engagement of the Second Italian War of Independence, fought between the Italian volunteers formation of the Hunters of the Alps, led by Giuseppe Garibaldi, against Austrian troops led by Karl von Urban. The Austrian defeat allowed the movement of the Hunters towards Como, and obliged the Austrians to keep troops on the northern part of the front.

The Second Italian War of Independence, also called the Sardinian War, the Austro-Sardinian War, the Franco-Austrian War, or the Italian War of 1859, was fought by the Second French Empire and the Kingdom of Sardinia against the Austrian Empire in 1859 and played a crucial part in the process of Italian Unification.