Rosio \r(o)-sio\ as a girl's name is a variant of Rose (Latin), and the meaning of Rosio is "rose".

The baby name Rosio sounds like Rocio and Rosie. Other similar baby names are Rodie, Rodi, Robi, Romi, Roni, Rosa, Rosae, Rosey, Rosee, Rosay, Rosai, Ros, Rosy, Rasia, Ross, Rosse, Zosia, Dosia, Resi and Tosia.