Latrobe, industrial borough (1990 pop. 9,265), Westmoreland co., SW Pa., in the foothills of the Alleghenies; inc. 1854. Among its varied manufactures are foam rubber, asphalt, building materials, steel, and plastics, and Rolling Rock beer was brewed there from 1939 to 2006. Agricultural products include corn, hay, and cattle. St. Vincent College is there.