There have been two baronetcies created for persons with the surname Long, both in the Baronetage of England. Both are extinct.

The Long Baronetcy, of Whaddon in the County of Wiltshire, was created in the Baronetage of England on 26 March 1661 for the politician Walter Long. He was succeeded by his son, the second Baronet. He was unmarried and the title became extinct on his death in 1710.

The Long, later Tylney-Long Baronetcy, of Westminster in the County of London, was created in the Baronetage of England on 1 September 1662. For more information on this creation, see Tylney-Long baronets.

• Sir Walter Long, 1st Baronet (1603–1672)
• Sir Walter Long, 2nd Baronet (1627–1710)

• see Tylney-Long baronets

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• Leigh Rayment's list of baronets

• Hand of Fate. The History of the Longs, Wellesleys and the Draycot Estate in Wiltshire; Tim Couzens 2001 OCLC 49204947
• Nicol, Cheryl (2016). Inheriting the Earth: The Long Family's 500 Year Reign in Wiltshire. Hobnob Press. ISBN 1906978379.