There have been two Baronetcies created for persons with the surname Strachan, both in the Baronetage of Nova Scotia. Both are currently either extinct or dormant.

It seems impossible to give an accurate descent of either baronetcy based on printed sources.

Strachan Baronets, of Thornton, Kincardine (1625)

The Strachan Baronetcy, of Thornton, Kincardine

Kincardine

Kincardine or Kincardine-on-Forth is a small town located on the north shore of the Firth of Forth, in Fife, Scotland. The town was given the status of a Burgh of barony in 1663. It was at one time a reasonably prosperous minor port...

, was created in the Baronetage of Nova Scotia in 1625 for Alexander Strachan, a favourite of King Charles I

Charles I of England

Charles I was King of England, King of Scotland, and King of Ireland from 27 March 1625 until his execution in 1649. Charles engaged in a struggle for power with the Parliament of England, attempting to obtain royal revenue whilst Parliament sought to curb his Royal prerogative which Charles...

, and a Commissioner of the Exchequer

Exchequer

The Exchequer is a government department of the United Kingdom responsible for the management and collection of taxation and other government revenues. The historical Exchequer developed judicial roles...

. Their arms

Coat of arms

A coat of arms is a unique heraldic design on a shield or escutcheon or on a surcoat or tabard used to cover and protect armour and to identify the wearer. Thus the term is often stated as "coat-armour", because it was anciently displayed on the front of a coat of cloth...

 were; or, a hart, tripping, at gaze, azure, attired sable. The Strachans of Thornton were the chiefs of Clan Strachan

Clan Strachan

Clan Strachan is a Scottish clan originating from Aberdeenshire. The clan does not currently have a chief, therefore it is treated as an Armigerous clan.The Clan Strachan warcry–slogan is Clachnaben!- Highland Clan :...

.

Strachan Baronets, of Inchtuthel (1685)

The Strachan Baronetcy, of Inchtuthel, was created in the Baronetage of Nova Scotia in 1685 for Thomas Strachan. It became extinct upon his death.

Later baronets

In the eighteenth century, the title was claimed by Captain Sir John Strachan

Sir John Strachan, 5th Baronet

Sir John Strachan was a Baronet and chief of Clan Strachan. He served in the Royal Navy, rising to the rank of captain and commanding a number of warships...

 (d. 1777) and his nephew Sir Richard Strachan

Sir Richard Strachan, 6th Baronet

Sir Richard John Strachan, 6th Baronet GCB was a British officer of the Royal Navy during the French Revolutionary and Napoleonic Wars, eventually rising to the rank of Admiral.-Childhood:...

 (d. 1828), styled "fifth" and "sixth" baronets. This claim was disputed by Sir Robert Strachan (d. 1828), styled "eighth baronet", based on a Scottish inquest of 1777.

In 1841, a third branch of the family were served heirs in another inquest, but this claim has been in abeyance since 1854.