Gaëtan or Gaétan is a first name which can designate:
First name or surname.
"Gaëtan" or "Gaétan" is a recent French first name derived from the Italian "Gaetano" meaning French first name derived from the Italian "Gaetano" meaning "from Gaèta" located between Rome and Naples.
In Church latin, Gaetan is written "Caietanus" .
Les féminins de "Gaétan" et "Gaëtan" sont "Gaétane" (ou "Gaétanne") et "Gaëtane".