Surname Clocca (Clock 
, Choca 
, Clocca) , globally, is quite a rare family name. The cognomen Clocca is characteristic of Uruguay, where it is quite a rare surname, Taiwan, and Myanmar, where it is a rare surname. Measured by absolute frequency, it is commonest in the United States, Myanmar, and Indonesia. Much less frequently, Clocca is the forename as well as the last name.