Inacio \i-na-cio\ as a boy's name is a variant of Ignatius. See for origin and meaning of Inacio.
The baby name Inacio sounds like Ignacio and Ignazio. Other similar baby names are Indio, Benicio, Inar, Enzio, Iain, Inigo, Ignace, Ince, Indeeo, Ingo, Innis, Ioanis, Isais, Isaia and Nuncio.