Cognomen Usignolo (Luscinia 
, Usignolo 
) , all around the world, is a very rare family name. The family name Usignolo is habitual in Italy, where it is a very rare surname, Honduras, and Brazil, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Italy, Brazil, and Spain. Likewise, Usignolo is the forename as well as the last name.