Nid yw plismona yn fater datganoledig, ond mae gan y Gweinidog Cyfiawnder Cymdeithasol gyfrifoldeb dros ddiogelwch cymunedol. Oherwydd hynny, mae gan Lywodraeth Cymru a Phlismona yng Nghymru hanes hir a chynhyrchiol o weithio mewn partneriaeth gyda'r nod unfrydol o gadw Cymru yn ddiogel a gwasanaethu cymunedau.
Policing is not devolved to Wales, but the Minister for Social Justice does have responsibility for community safety. Welsh Government and Policing in Wales therefore have a long and productive history of partnership working with the united aim of keeping Wales safe and to serve communities.