Fis Mai 2016 mae posibilrwydd y cynhelir etholiadau i dair gweinyddiaeth wahanol, gan ddilyn tair system bleidleisio wahanol – etholiadau Cynulliad Cenedlaethol Cymru, ethol cynghorwyr sir a chymuned ac ethol Comisiynwyr yr Heddlu a Throseddu.
There is the potential for elections to three different administrations, with three different voting systems to take place in May 2016 – the elections to the National Assembly for Wales, election of county and community councillors and the election of Police and Crime Commissioners.