Cognomen Rotto (Rotto 
, Ротто 
) , around the globe, is a rare surname. The surname Rotto is characteristic of Ukraine, where it is a rare surname, Denmark, and New Zealand, where it is a very rare surname. Not in comparison with a country's population, the name is most common in the United States, Indonesia, and Ukraine. Very seldom, Rotto is the forename as well as the last name.