There have been two Baronetcies created for persons with the surname Dyer, both in the Baronetage of England. One creation is extant as of 2008.

The Dyer Baronetcy, of Staughton in the County of Huntingdon, was created in the Baronetage of England on 8 June 1627 for Lodowick Dyer. The title became extinct on his death in 1669.

The Dyer Baronetcy, of Tottenham in the County of Middlesex, was created in the Baronetage of England on 6 July 1678 for William Dyer. He was the husband of Thomazine, only daughter and heiress of Thomas Swinnerton, of Stanway Hall, Essex

Essex

Essex is a ceremonial and non-metropolitan county in the East region of England, and one of the home counties. It is located to the northeast of Greater London. It borders with Cambridgeshire and Suffolk to the north, Hertfordshire to the west, Kent to the South and London to the south west...

. The sixth 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 British Army

British Army

The British Army is the land warfare branch of Her Majesty's Armed Forces in the United Kingdom. It came into being with the unification of the Kingdom of England and Scotland into the Kingdom of Great Britain in 1707. The new British Army incorporated Regiments that had already existed in England...

 and Groom of the Bedchamber to King George IV

George IV of the United Kingdom

George IV was the King of the United Kingdom of Great Britain and Ireland and also of Hanover from the death of his father, George III, on 29 January 1820 until his own death ten years later...

 when Prince of Wales. The seventh Baronet was a Lieutenant-General in the British Army. The eighth Baronet was an officer in the Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 and served in several naval battles throughout 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...

. The ninth Baronet was a Lieutenant-Colonel in the British Army and served in the Peninsular War, where he was present at Badajoz

Battle of Badajoz (1812)

In the Battle of Badajoz , the Anglo-Portuguese Army, under the Earl of Wellington, besieged Badajoz, Spain and forced the surrender of the French garrison....

, Vitoria

Battle of Vitoria

At the Battle of Vitoria an allied British, Portuguese, and Spanish army under General the Marquess of Wellington broke the French army under Joseph Bonaparte and Marshal Jean-Baptiste Jourdan near Vitoria in Spain, leading to eventual victory in the Peninsular War.-Background:In July 1812, after...

, San Sebastian

Siege of San Sebastian

In the Siege of San Sebastián Allied forces under the command of General Arthur Wellesley, 1st Duke of Wellington captured the city of San Sebastián in northern Spain from its French garrison under Brigadier-General Louis Rey...

, the Pyrenees

Battle of the Pyrenees

The Battle of the Pyrenees was a large-scale offensive launched on 25 July 1813 by Marshal Nicolas Jean de Dieu Soult from the Pyrénées region on Emperor Napoleon’s order, in the hope of relieving French garrisons under siege at Pamplona and San Sebastián...

, Nive

Battle of the Nive

The Battles of the Nive were fought towards the end of the Peninsular War. Arthur Wellesley, Marquess of Wellington's Anglo-Portuguese and Spanish army defeated Marshal Nicolas Soult's French army in a series of battles near the city of Bayonne.Unusually, for most of the battle, Wellington...

, Orthez

Battle of Orthez

The Battle of Orthez saw the Anglo-Portuguese Army under Field Marshal Arthur Wellesley, Marquess of Wellington defeat a French army led by Marshal Nicolas Soult in southern France near the end of the Peninsular War.-Preliminaries:...

 and Toulouse

Battle of Toulouse (1814)

The Battle of Toulouse was one of the final battles of the Napoleonic Wars, four days after Napoleon's surrender of the French Empire to the nations of the Sixth Coalition...

. The tenth Baronet fought in the Crimean War

Crimean War

The Crimean War was a conflict fought between the Russian Empire and an alliance of the French Empire, the British Empire, the Ottoman Empire, and the Kingdom of Sardinia. The war was part of a long-running contest between the major European powers for influence over territories of the declining...

 and was present at Sevastopol. The fifteenth Baronet was Chairman of the Shropshire County Council from 1969 to 1972. The sixteenth Baronet is a mathematician.

Dyer Baronets, of Tottenham (1678)

• Sir William Dyer, 1st Baronet (d. 1681)
• Sir John Swinnerton Dyer, 2nd Baronet (c. 1656-1701)
• Sir Swinnerton Dyer, 3rd Baronet (1688-1736)
• Sir John Swinnerton Dyer, 4th Baronet (c. 1692-1754)
• Sir Thomas Dyer, 5th Baronet (1694-1780)
• Sir John Swinnerton Dyer, 6th Baronet (1738-1801)
• Sir Thomas Richard Swinnerton Dyer, 7th Baronet (c. 1770-1838)
• Sir Thomas Swinnerton Dyer, 8th Baronet (1770-1854)
• Sir Thomas Dyer, 9th Baronet (1799-1878)
• Sir Swinnerton Halliday Dyer, 10th Baronet (1833-1882)
• Sir Thomas Swinnerton Dyer, 11th Baronet (1859-1907)
• Sir John Swinnerton Dyer, 12th Baronet (1891-1917)
• Sir John Lodovick Swinnerton Dyer, 13th Baronet (1914-1940)
• Sir Leonard Whitworth Swinnerton Dyer, 14th Baronet (1875-1947)
• Sir Leonard Schroeder Swinnerton Dyer, 15th Baronet (1898-1975)
• Sir (Henry) Peter Francis Swinnerton-Dyer, 16th Baronet
  Peter Swinnerton-Dyer
  Sir Henry Peter Francis Swinnerton-Dyer, 16th Baronet KBE FRS , commonly known as Peter Swinnerton-Dyer, is an English mathematician specialising in number theory at University of Cambridge...
  
  (b. 1927)