Baron Moncreiff, of Tulliebole in the County of Kinross, is a title in the Peerage of the United Kingdom. It was created on 9 January 1874 for the lawyer and Liberal politician Sir James Moncreiff, 1st Baronet. He had already been created a Baronet, of Kilduff in the County of Kinross, in the Baronetage of the United Kingdom on 23 May 1871. In 1883 Lord Moncreiff also succeeded his elder brother as 11th Baronet, of Moncreiff in the County of Perth. On his death the titles passed to his eldest son, the second Baron. He was a Judge of the Court of Session from 1888 to 1905 under the title of Lord Wellwood and served as Lord Lieutenant of Kinross-shire between 1901 and 1909. He was succeeded by his younger brother, the third Baron. He was a clergyman. As of 2010 the titles are held by the latter's great-grandson, the sixth Baron, who succeeded his father in 2002.