The Milne-Watson Baronetcy, of Ashley in Longbredy in the County of Dorset, is a title in the Baronetage of the United Kingdom. It was created on 11 June 1937 for David Milne-Watson. He was governor and managing director of the Gas Light & Coke Company and vice-president of the Federation of British Industries. The third Baronet was managing director of the Gas Light & Coke Company and deputy chairman of the British Steel Corporation.

Milne-Watson baronets, of Ashley (1937)

• Sir David Milne-Watson, 1st Baronet (1869–1945)
• Sir David Ronald Milne-Watson, 2nd Baronet (1904–1982)
• Sir Michael Milne-Watson, 3rd Baronet (1910–1999)
• Sir Andrew Michael Milne-Watson, 4th Baronet (born 1944)

The heir apparent is the present holder's son David Alistair Milne-Watson (born 1971).