There have been two Baronetcies created for persons with the surname Hewett, one in the Baronetage of England and one in the Baronetage of the United Kingdom.

The Hewett Baronetcy, of Pishiobury in the County of Hertford, was created in the Baronetage of England on 19 July 1660. For more information on this creation, see the Viscount Hewett

Viscount Hewett

Viscount Hewett was a title in the Peerage of Ireland. It was created on 9 April 1689 for Sir George Hewett, 2nd Baronet. He was made Baron of Jamestown at the same time, also in the Peerage of Ireland. The Hewett Baronetcy, of Pishiobury in the County of Hertford, was created in the Baronetage of...

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The Hewett Baronetcy, of Nether Seale in the County of Leicester, was created in the Baronetage of the United Kingdom on 6 November 1813 for General

General

A general officer is an officer of high military rank, usually in the army, and in some nations, the air force. The term is widely used by many nations of the world, and when a country uses a different term, there is an equivalent title given....

 George Hewett

Sir George Hewett, 1st Baronet

General Sir George Hewett, 1st Baronet GCB, PC was Commander-in-Chief in India and then Commander-in-Chief in Ireland for the British Army.-Military career:...

, Commander-in-Chief of the Forces in India

Commander-in-Chief, India

During the period of the British Raj, the Commander-in-Chief, India was the supreme commander of the Indian Army. The Commander-in-Chief and most of his staff were based at General Headquarters, India, and liaised with the civilian Governor-General of India...

 in 1807. The second Baronet was a Colonel

Colonel

Colonel , abbreviated Col or COL, is a military rank of a senior commissioned officer. It or a corresponding rank exists in most armies and in many air forces; the naval equivalent rank is generally "Captain". It is also used in some police forces and other paramilitary rank structures...

 in the Army and served in the Peninsular War

Peninsular War

The Peninsular War was a war between France and the allied powers of Spain, the United Kingdom, and Portugal for control of the Iberian Peninsula during the Napoleonic Wars. The war began when French and Spanish armies crossed Spain and invaded Portugal in 1807. Then, in 1808, France turned on its...

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Hewett Baronets, of Nether Seale (1813)

• Sir George Hewett, 1st Baronet
  Sir George Hewett, 1st Baronet
  General Sir George Hewett, 1st Baronet GCB, PC was Commander-in-Chief in India and then Commander-in-Chief in Ireland for the British Army.-Military career:...
  
  (1750-1840)
• Sir George Henry Hewett, 2nd Baronet (1791-1862)
• Sir George John Routledge Hewett, 3rd Baronet (1818-1876)
• Sir Harald George Hewett, 4th Baronet (1858-1949)
• Sir John George Hewett, 5th Baronet (1895-1990)
• Sir Peter John Smithson Hewett, 6th Baronet (1931-2001)
• Sir Richard Mark John Hewett, 7th Baronet (b. 1958)