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

The baby name Caydan sounds like Cayden, Kaydan, Caydon, Caydin and Caidan. Other similar baby names are Haydan, Aydan, Caden, Cadman, Caelan, Calan, Callan, Camden, Camdon, Camdin, Cannan, Carden, Cardon, Cardin, Cathan, Cavan, Claudan, Coyan, Daytan, Haddan, Hayden, Haydon, Haydn, Jaydon, Jayden, Kaydon, Kaydin, Kayden, Kaidan, Kadan, Caidon, Caidin, Caiden, Cahan, Kayvan, Raydon and Roydan.