There have been two Baronetcies created for persons with the surname Long, both in the Baronetage of England. Both creations 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

Tylney-Long Baronets

The Long, later Tylney-Long Baronetcy, of Westminster in the County of London, was a title in the Baronetage of England. It was created in 1662 for Robert Long, with remainder in default of male issue of his own to his nephew James Long and the heirs male of his body. He was the son of Sir Walter...

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Long Baronets, of Whaddon (1661)

• Sir Walter Long, 1st Baronet
  Sir Walter Long, 1st Baronet
  Sir Walter Long, 1st Baronet of Whaddon was an English politician.The second son of Henry Long and Rebecca Bailey, Long was Educated at Lincoln's Inn...
  
   (1603-1672)
• Sir Walter Long, 2nd Baronet
  Sir Walter Long, 2nd Baronet
  Sir Walter Long, 2nd Baronet was born in Wiltshire, the son of Sir Walter Long, 1st Baronet of Whaddon and his wife Mary Cox....
  
  (1627-1710)

Further Reading

• Inquisition Post Mortem: An Adventurous Jaunt Through a 500 Year History of the Courtiers, Clothiers and Parliamentarians of the Long Family of Wiltshire; Cheryl Nicol 2011
• Hand of Fate. The History of the Longs, Wellesleys and the Draycot Estate in Wiltshire. Tim Couzens 2001 ISBN 1 903341 72 6