Last name Марцио (Marzio 
, Марцио 
) , in all the world, is quite a rare surname. The cognomen Марцио is characteristic of Italy, where it is quite a rare surname, Slovenia, where it is a rare surname, and Switzerland. In absolute terms, the name is most common in Italy, France, and the United States. More prevalently, Марцио is the forename as well as the last name.