Cognomen מטאו (Matteo 
, מטאו 
) , in the entire world, is a common surname. The last name מטאו is habitual in Italy, where it is quite a common surname, Uruguay, where it is quite a rare surname, and Panama. Measured by absolute frequency, it is commonest in Italy, the United States, and Argentina. More frequently, מטאו is the forename as well as the last name.