Baron Denman, of Dovedale in the County of Derby, is a title in the Peerage of the United Kingdom.
It was created in 1834 for the prominent lawyer, judge and Whig politician Thomas Denman.
His son, the second Baron, assumed in 1876 by royal licence the additional surname of Aitchison, which was that of his father-in-law.
The Denman baronetcy, of Staffield in the County Cumberland, was created in the Baronetage of the United Kingdom in 1945 for the Hon.
He had unsuccessfully contested Leeds Central in the 1945 general election for the Conservatives.