There have been two baronetcies created for members of the Dashwood family, one in the Baronetage of England and one in the Baronetage of Great Britain. Both creations are extant as of 2008.
The Dashwood Baronetcy, of Kirtlington Park in the County of Oxford, was created in the Baronetage of England on 16 September 1684 for Robert Dashwood, later Member of Parliament for Banbury and Oxfordshire, with remainder, in default of male issue of his own, to the heirs male of his father. He was the son of George Dashwood, an Alderman of London and Commissioner of Revenue. George Dashwood was offered a baronetcy but did not take up the patent, and consequently a new patent was granted to his son. At the same time the widow of George Dashwood was granted the rank of a Baronet's widow.
Robert Dashwood was succeeded by his grandson, James, the second Baronet. He also represented Oxfordshire in the House of Commons.
On the death of James Dashwood in 1779 the title passed to his eldest son, Henry, the third Baronet. He was Member of Parliament for for 36 years.
Henry's eldest son, George, the fourth Baronet, sat as Member of Parliament for Truro.
When George died in 1861 the title passed to his son, Henry, the fifth Baronet. He served as Lord-Lieutenant of Oxfordshire. See also the Dashwood Baronetcy of West Wycombe below.
Several other members of the family may also be mentioned. Arthur Paul Dashwood (1882–1964), third son of the sixth Baronet, was an engineer and the husband of the novelist E. M. Delafield. Henry Dashwood, brother of the first Baronet, assumed the surname of Peyton in lieu of Dashwood. He was a Member of Parliament and the ancestor of Henry Peyton, who was created a baronet in 1776 (see Peyton baronets for more information on this branch of the family).