Caidan \ca(i)-dan\ as a boy's name is a variant of Kaden (Arabic), and the meaning of Caidan is "companion".

The baby name Caidan sounds like Kaidan, Caydan, Caidon, Caidin and Caiden. Other similar baby names are Aidan, Eidan, Caden, Caide, Cayden, Cadman, Caelan, Calan, Cailin, Cailean, Cain, Cairn, Callan, Camden, Camdon, Camdin, Cannan, Carden, Cardon, Cardin, Cathan, Cavan, Claudan, Haddan, Haydan, Jaidin, Jaiden, Kaydan, Kaidon, Kaidin, Kaiden, Kadan, Caydon, Caydin, Cahan and Raiden.