Penno

Penno is a surname or, more rarely, a given name that may refer to:

Surname

 * Enno Penno (1930–2016), Estonian politician
 * Gino Penno (1920–1998), Italian tenor
 * Rudolf Penno (1896–1951), Estonian politician
 * William A. Penno, Jr. (1843–1929), American banjo player, composer, music teacher