Kletos \k-le-tos\ as a boy's name is a variant of Cletus (Greek), and the meaning of Kletos is "illustrious; called forth, invoked".
The baby name Kletos sounds like Kletus and Cletos. Other similar baby names are Cletis, Altus, Klaus, Klayton, Cleytus, Clete, Clitus, Coleton, Kortes, Kostis, Kostas, Kurtis, Keats, Kelton, Kellton, Klaes, Klaas and Kolton.