Baron Spens, of Blairsanquhar in the County of Fife, is a title in the Peerage of the United Kingdom. It was created in 1959 for the lawyer and Conservative politician Sir Patrick Spens. As of 2017[update] the title is held by his great-grandson, the fourth Baron, who succeeded his father in 2001.
The heir apparent is the present holder's son Hon. Peter Lathallan Spens (b. 2000)