There have been three Agnew baronetcies, one created in the Baronetage of Nova Scotia, and the others in the Baronetage of the United Kingdom. As of } all three are extant.

Agnew baronets of Lochnaw (1629) Agnew baronets of Great Stanhope Street (1895) Agnew, later Agnew-Somerville baronets, of Clendry (1957)