Viscounts Harberton (1791)
- Arthur Pomeroy, 1st Viscount Harberton (1723–1798)
- Henry Pomeroy, 2nd Viscount Harberton (1749–1829)
- Arthur James Pomeroy, 3rd Viscount Harberton (1753–1832)
- John Pomeroy, 4th Viscount Harberton (1758–1833)
- John James Pomeroy, 5th Viscount Harberton (1790–1862)
- James Spencer Pomeroy, 6th Viscount Harberton (1836–1912)
- Ernest Arthur George Pomeroy, 7th Viscount Harberton (1867–1944), married Fairlie Harmar
- Ralphe Legge Pomeroy, 8th Viscount Harberton (1874–1956)
- Henry Ralph Martyn Pomeroy, 9th Viscount Harberton (1908–1980)
- Thomas de Vautort Pomeroy, 10th Viscount Harberton (1910–2004)
- Henry Robert Pomeroy, 11th Viscount Harberton (b. 1958)
The heir apparent is the present holder's son the Hon. Patrick Christopher Pomeroy (b. 1995)
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