List of office-holders of the United Kingdom and predecessor states explained

This is a list of rulers and office-holders of the United Kingdom of Great Britain and Northern Ireland and predecessor states.

Heads of state

See also: Succession to the British throne and List of legendary kings of Britain.

Heads of government

Ministers

See main article: List of government ministers of the United Kingdom.

Parliament office-holders

State office-holders

Great Officers of State

Officers of the Royal Household

Legal Officers

Court office-holders

Heads of devolved governments

Heads of colonies and overseas territories

Bailiffs of Guernsey

Bailiffs of Jersey

Seigneurs of Sark

Nobility

See also: List of Viscounts in order of precedence.

Mayors

Heads of former states

See also