Decio \d(e)-cio\ as a boy's name is a variant of Decimus (Latin), and the meaning of Decio is "tenth".

The baby name Decio sounds like Dacio, Dezi and Desi. Other similar baby names are Darcio, Dario, Deion, Delios, Deli, Denis, Deri, Dewie, Dewi, Licio, Lucio and Rocio.