This is a list of present Dukes in the Peerages of England, Scotland, Great Britain, Ireland, and the United Kingdom. For a more complete historical listing, including extinct, dormant, abeyant, forfeit dukedoms in addition to these extant ones, see List of Dukedoms.

The general order of precedence among dukes is:

1. Dukes of England
2. Dukes of Scotland
3. Dukes of Great Britain
4. Dukes of Ireland created before 1801
5. Dukes of the United Kingdom and of Ireland created after 1801

Dukes of England

1. The Duke of Norfolk (1483 or 1514)
2. The Duke of Somerset (1547)
3. The Duke of Richmond, Lennox, and Gordon (1675) (known as the Duke of Richmond and Gordon)
4. The Duke of Grafton (1675)
5. The Duke of Beaufort (1682)
6. The Duke of St Albans (1684)
7. The Duke of Bedford (1694)
8. The Duke of Devonshire (1694)
9. The Duke of Marlborough (1702)
10. The Duke of Rutland (1703)

Dukes of Scotland

1. The Duke of Hamilton and Brandon (1644)
2. The Duke of Buccleuch and Queensberry (1663)
3. The Duke of Argyll (1701)
4. The Duke of Atholl (1703)
5. The Duke of Montrose (1707)
6. The Duke of Roxburghe (1707)

Dukes of Great Britain

1. The Duke of Manchester (1719)
2. The Duke of Northumberland (1766)

Dukes of Ireland prior to 1801

1. The Duke of Leinster (1766)

Dukes of the United Kingdom and of Ireland after 1801

1. The Duke of Wellington (1814)
2. The Duke of Sutherland (1831)
3. The Duke of Abercorn (1868)
4. The Duke of Westminster (1874)
5. The Duke of Fife (1900)
6. The Duke of Gloucester (1928)¹
7. The Duke of Kent (1934)¹
8. The Duke of Edinburgh (1947)¹
9. The Duke of York (1986)¹

¹As members of the royal family, these dukes rank higher in precedence than they would by virtue of the seniority of their dukedom alone.