This article lists all marquessates, extant, extinct, dormant, abeyant, or forfeit, in the peerages of England, Scotland, Great Britain, Ireland, and the United Kingdom.
Marquessates in the Peerage of England, 1385–1707
• ==Marquessates in the Peerage of Scotland, 1488–1707==
Marquessates in the Peerage of Scotland, 1488–1707
• ==Marquessates in the Peerage of Great Britain, 1707–1801==
Marquessates in the Peerage of Great Britain, 1707–1801
• ==Marquessates in the Peerage of Ireland, 1642–1825==
Marquessates in the Peerage of Ireland, 1642–1825
• ==Marquessates in the Peerage of the United Kingdom, 1801 to present==