Coccaglio (Brescian: Cocài) is a town and comune in the province of Brescia, in Lombardy, Italy. It is approximately 20 miles (32 km) west of Brescia and 35 kilometres (22 mi) southeast of Bergamo.

It was the birthplace, in 1553, of Luca Marenzio, one of the most influential composers of madrigals of the late 16th century.