Athos \a-thos\ as a boy's name. Literary: one of the Three Musketeers from Alexandre Dumas' famous novel.
For more information, see also the related name Porthos.
Baby names that sound like Athos are Addis, Otis, Otys, Ottis and Otess. Other similar baby names are Athol, Agathos, Amos, Athan, Athens and Atholl.