Family name Thuno (Thuno 
) , in the entire world, is a very rare surname. The family name Thuno is characteristic of Denmark, where it is a rare surname, Spain, where it is a very rare surname, and Germany, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Spain, Denmark, and India. Likewise, Thuno is the forename as well as the last name.