Fabianno \f(a)-bianno, fabi(an)-no\ as a boy's name is a variant of Fabian (Latin). See for meaning of Fabianno.
The baby name Fabianno sounds like Fabiano, Faybionn, Faybian, Faebian, Fabyan, Fabion and Fabien. Other similar baby names are Fabianus and Fabriano.