The Chief Nursing Officer (CNO) is the most senior advisor on nursing matters in a government. There are CNOs in the United Kingdom who are appointed to advise their respective governments: His Majesty's Government, the Northern Ireland Executive, the Scottish Government, and the Welsh Government. Each CNO is assisted by one or more Deputy Chief Nursing Officers, and are complemented by a Chief Medical Officer.

The Welsh Government is the devolved government of Wales. The government consists of ministers and deputy ministers. It is led by the first minister, usually the leader of the largest party in the Senedd, who selects ministers and deputy ministers with the approval of the Senedd. The government is responsible for tabling policy in devolved areas for consideration by the Senedd and implementing policy that has been approved by it.