Girolamo Dalla Casa (also known as Hieronymo de Udene, died 1601) was an Italian composer, instrumentalist, and writer of the late Renaissance. He was a member of the Venetian School, and was perhaps more famous and influential as a performer than as a composer. Dalla Casa was a virtuoso player of the cornett, which he described as 'the most excellent of all the wind instruments ... because it mimics the human voice better than the other instruments do'.