The McCowan Baronetcy, of Dalwhat in the County of Dumfries, is a title in the Baronetage of the United Kingdom. It was created on 26 June 1934 for David McCowan. He was a senior partner in William Euing & Co, marine insurance brokers, and Honorary President of the Scottish Unionist Association.

The third Baronet did not successfully prove his succession to the title and the fourth and (as of 2007) present Baronet has also failed to prove his succession and is not on the Official Roll of the Baronetage, with the baronetcy considered dormant. For more information, follow this link.

McCowan Baronets, of Dalwhat (1934)

• Sir David McCowan, 1st Baronet (1860–1937)
• Sir David James Cargill McCowan, 2nd Baronet (1897–1965)
• Sir Hew Cargill McCowan, 3rd Baronet (1930–1998)
• Sir David William Cargill McCowan, 4th Baronet (b. 1934)