Aitan \a(i)-tan\ as a boy's name is a variant of Ethan (Hebrew), and the meaning of Aitan is "firmness, long-lived".

The baby name Aitan sounds like Aidan and Eitan. Other similar baby names are Arran, Aran, Airyn, Airen, Ahran, Aaran, Abidan, Avidan, Amidan, Acton, Adan, Adnan, Adiran, Afton, Ahsan, Eidan, Aydan, Aidyn, Aiden, Aidano, Aedan, Aiken, Aikin, Aimon, Alan, Allan, Ailin, Ailean, Auban, Aldan, Alton, Alten, Aman, Annan, Antun, Anton, Antin, Antuan, Arian, Aston, Athan, Ayman, Etan, Natan and Stan.