The title of Earl of Clare (in England) was created in the Peerage of England in 1624, and again in the Peerage of Great Britain in 1715. The title of Earl of Clare (in Ireland) was created in the Peerage of Ireland in 1795. See also Viscount Clare , Marquess of Clare, Honour of Clare .

Earls of Clare, Peerage of England (1624)

also Baron Haughton (1616)

• John Holles, 1st Earl of Clare (1564-1637)
• John Holles, 2nd Earl of Clare (1595-1666)
• Gilbert Holles, 3rd Earl of Clare (1633-1689)
• John Holles, 4th Earl of Clare (1662-1711), created Duke of Newcastle and Marquess of Clare in 1694.

Earls of Clare, Peerage of Great Britain (1714)

• see Duke of Newcastle, 1715 creation. Also Viscount Haughton and Marquess of Clare (from 1715).

Earls of Clare, Peerage of Ireland (1795)

also Baron Fitzgibbon (1789) and Viscount Fitzgibbon (1795) in the Peerage of Ireland and Baron Fitzgibbon (1799) in that of Great Britain

• John Fitzgibbon, 1st Earl of Clare (1748-1802)
• John Fitzgibbon, 2nd Earl of Clare (1792-1851)
• Richard Hobart Fitzgibbon, 3rd Earl of Clare (1793-1864)