Cynhaliwyd etholiadau’r Comisiynwyr Heddlu a Throsedd ar 15 Tachwedd 2012 ar gyfer pob un o ardaloedd yr heddlu yng Nghymru. Mae rôl y Comisiynwyr Heddlu a Throsedd yn cynnwys pennu’r praeseptau lleol blynyddol ar gyfer plismona a chyllideb flynyddol yr heddlu. Y Comisiynwyr Heddlu a Throseddu sydd â chyfrifoldeb dros benodi’r Prif Gwnstabl a’i ddwyn i gyfrif am waith ei heddlu. Maent hefyd yn gyfrifol am nodi Cynllun pum mlynedd ar gyfer Heddlu a Throsedd sy’n rhoi ystyriaeth i flaenoriaethau lleol, a hynny wedi iddynt ymgynghori â’r Prif Gwnstabl a’r cyhoedd. Y Comisiynwyr Heddlu a Throseddu sy’n gyfrifol am ddosbarthu’r grantiau sy’n cael eu rhoi gan y llywodraeth ganolog ar gyfer plismona. Gallant hefyd roi grantiau i sefydliadau eraill heblaw’r heddlu
On 15 November 2012, Police and Crime Commissioner (PCC) elections were held for each police force area in Wales. The role of the PCC includes setting the annual local precept and police force budget. In addition, the PCC has responsibility for appointing the Chief Constable and holding them to account for the running of their force. In consultation with the Chief Constable and the public, the PCC will also set out a five-year Police and Crime Plan taking account of local priorities. The PCC is responsible for distributing grants provided by central government for policing and may make grants to organisations other than the police.