In the Unknown origin, Colombo means "Colombo \c(o)-lo-mbo\ as a boy's name is a variant of Columbus. See for origin and meaning of Colombo.
The baby name Colombo sounds like Colombe, Columbano and Colombain. Other similar baby names are Colum, Colm, Clodo, Clovio, Colby, Collby, Coleman, Colman, Como, Cosmo, Cosimo, Palomo, Shlomo and Salomo."