Baron Langford, of Summerhill in the County of Meath, is a title in the Peerage of Ireland.
It was created on 1 July 1800 for Clotworthy Rowley, who had earlier represented Trim and County Meath in the Irish House of Commons.
On his early death in 1922 the title passed to his uncle, the sixth Baron.
Richard Thomas Rowley, second son of the first Baron, who lived to the age of 105.
As of 2017[update] the title is held by the third (but elder legitimate) son of the ninth baron, who succeeded his father in that year.