Lazaro Valvasensi was an italian composer and organist. A priest, he worked in his native town as organist of SS Corpo di Cristo and of the Valvasone noble family. He also held similar positions in other towns in northern Italy. He was organist of Gemona del Friuli Cathedral, Friuli, from 19 June 1608 to 4 May 1609, and at Valvasone again at least from 1613. On 3 March 1617 he was elected maestro di cappella of Sacile Cathedral but resigned on 28 February 1619. In May 1622 he became organist of the cathedral of Marano Lagunare, Udine, but was back in Valvasone in 1623.