Jacobus Gallus Carniolus (a.k.a. Jacob(us) Handl, Jacob(us) Händl, Jacob(us) Gallus; Slovene: Jakob Petelin Kranjski) (3 July 1550 – 18 July 1591) was a late-Renaissance composer of Slovene ethnicity. Born in Carniola, which at the time was one of the Habsburg lands in the Holy Roman Empire, he lived and worked in Moravia and Bohemia during the last decade of his life.