James Maitland, 9th Earl of Lauderdale (12 May 1784 – 22 August 1860), styled Viscount Maitland between 1789 and 1839, was a British peer and Whig politician.
Lauderdale was the son of James Maitland, 8th Earl of Lauderdale, and Eleanor, daughter of Anthony Todd. He was educated at Eton and the University of Edinburgh.
Lauderdale sat as Member of Parliament for Camelford from 1806 to 1807, for Richmond, Yorkshire, from 1818 to 1820 and for Appleby from 1828 to 1832. In 1839 he succeeded his father in the earldom and entered the House of Lords. He also served as Lord Lieutenant of Berwickshire between 1841 and 1860.
Lord Lauderdale died at Thurlestane Castle, Berwickshire, in August 1860, aged 76. He was unmarried and was succeeded in the earldom by his younger brother, Admiral Anthony Maitland.