Meaning and name origin
Gaetan \ga(e)-tan\ as a boy's name is of Italian and Latin origin, and the meaning of Gaetan is "from Gaeta". Gaetan is a variant of Gaetano (Italian, Latin): Italian form of Latin Caietanus, referring to a person from Caieta (now Gaeta), a city in southern Italy.
Gaetan is not a popular first name for males and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the boy name Gaetan and its variant forms. The only popular variation form ranked in the Top 1000/100 is Gaetano. (2014 statistics).