There have been five Baronetcies created for persons with the surname Alexander, one in the Baronetage of Nova Scotia and four in the Baronetage of the United Kingdom. Four of the creations are extant as of 2010.

The Alexander Baronetcy, of Menstre in the County of Clackmannan, was created in the Baronetage of Nova Scotia on 12 July 1625. For more information on this creation, see Earl of Stirling

Earl of Stirling

Earl of Stirling was a title in the Peerage of Scotland created on 14 June 1633, along with the titles Viscount Canada and Lord Alexander of Tullibody, for William Alexander, 1st Viscount Stirling. He had already been created Viscount of Stirling and Lord Alexander of Tullibody on 4 September 1630...

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The Alexander, later Cable-Alexander Baronetcy, of the City of Dublin, was created in the Baronetage of the United Kingdom on 11 December 1809. For more information on this creation, see Cable-Alexander Baronets

Cable-Alexander Baronets

The Alexander, later Cable-Alexander Baronetcy, of the City of Dublin, is a title in the Baronetage of the United Kingdom. It was created on 11 December 1809 for William Alexander, Lord Mayor of Dublin. The second Baronet was a Director of the Bank of Ireland. The third Baronet was Attorney-General...

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The Alexander, later Hagart-Alexander Baronetcy, of Ballochmyle in the County of Ayr, was created in the Baronetage of the United Kingdom on 22 January 1886. For more information on this creation, see Hagart-Alexander Baronets

Hagart-Alexander Baronets

thumb|right|Sir Claud Alexander, 2nd Baronet The Alexander, later Hagart-Alexander Baronetcy, of Ballochmyle in the County of Ayr, is a title in the Baronetage of the United Kingdom. It was created on 22 January 1886 for Major-General Claud Alexander, who served in the Crimean War and represented...

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The Alexander Baronetcy, of Edgehill, Stamford, in Connecticut in the United States of America, was created in the Baronetage of the United Kingdom on 2 July 1921 for the British-born Canadian businessman Douglas Alexander

Sir Douglas Alexander, 1st Baronet

Sir Douglas Alexander, 1st Baronet was a British-born Canadian industrialist.Alexander was born in Halifax, Yorkshire. His parents emigrated to Canada when he was a child and he was brought up in Hamilton, Ontario. He was educated at the Hamilton Collegiate Institute and called to the bar in 1886...

. As of 2010 the title is held by his grandson, the third Baronet, who succeeded his uncle in 1983.

The Alexander Baronetcy, of Sundridge Park in the County of Kent, was created in the Baronetage of the United Kingdom on 19 November 1945 for the shipowner and shipbroker Frank Alexander. He was Lord Mayor of London

Lord Mayor of London

The Right Honourable Lord Mayor of London is the legal title for the Mayor of the City of London Corporation. The Lord Mayor of London is to be distinguished from the Mayor of London; the former is an officer only of the City of London, while the Mayor of London is the Mayor of Greater London and...

 from 1944 to 1945. As of 2010 the title is held by his grandson, the third Baronet, who succeeded his father in 2009.

Alexander, later Cable-Alexander Baronets, of the City of Dublin (1809)

• see Cable-Alexander Baronets
  Cable-Alexander Baronets
  The Alexander, later Cable-Alexander Baronetcy, of the City of Dublin, is a title in the Baronetage of the United Kingdom. It was created on 11 December 1809 for William Alexander, Lord Mayor of Dublin. The second Baronet was a Director of the Bank of Ireland. The third Baronet was Attorney-General...
  
  

Alexander, later Hagart-Alexander Baronets, of Ballochmyle (1886)

• see Hagart-Alexander Baronets
  Hagart-Alexander Baronets
  thumb|right|Sir Claud Alexander, 2nd Baronet The Alexander, later Hagart-Alexander Baronetcy, of Ballochmyle in the County of Ayr, is a title in the Baronetage of the United Kingdom. It was created on 22 January 1886 for Major-General Claud Alexander, who served in the Crimean War and represented...
  
  

Alexander Baronets, of Edgehill (1921)

• Sir Douglas Alexander, 1st Baronet
  Sir Douglas Alexander, 1st Baronet
  Sir Douglas Alexander, 1st Baronet was a British-born Canadian industrialist.Alexander was born in Halifax, Yorkshire. His parents emigrated to Canada when he was a child and he was brought up in Hamilton, Ontario. He was educated at the Hamilton Collegiate Institute and called to the bar in 1886...
  
   (1864–1949)
• Sir Douglas Hamilton Alexander, 2nd Baronet (1900–1983)
• Sir Douglas Alexander, 3rd Baronet (b. 1936)

The heir apparent

Heir apparent

An heir apparent or heiress apparent is a person who is first in line of succession and cannot be displaced from inheriting, except by a change in the rules of succession....

 is Douglas Gillespie Alexander (b. 1962)

Alexander Baronets, of Sundridge Park (1945)

• Sir Frank Samuel Alexander, 1st Baronet (1881–1959)
• Sir Charles Gundry Alexander, 2nd Baronet (1923-2009)
• Sir Richard Alexander, 3rd Baronet (b. 1947)