Surname Гаетан (Gaetan 
, Gaétan 
, Desmarest 
) , in all the world, is quite a common cognomen. The cognomen Гаетан is characteristic of Monaco, where it is quite a common surname, Mauritius, where it is quite a rare surname, and Gabon. In absolute terms, the name is most common in France, Argentina, and Cameroon. More prevalently, Гаетан is the forename as well as the last name.