James Dyce Nicol (13 August 1805 – 16 November 1872) was a Scottish businessman, and then a Liberal politician who sat in the House of Commons from 1865 to 1872. Nicol was the son of W. Nicol M.D. of Stonehaven and his wife Margaret Dyce daughter of J. Dyce of Aberdeen. He was educated at the University of Glasgow. He was a partner in the firm of Messrs. W. Nichol and Co. of Bombay, where he lived for many years until he retired in 1844, and then a director of the Borneo Company Limited from its inception in 1856 until 1869. Additionally, he was a deputy lieutenant and J.P. for Aberdeenshire and Kincardineshire, and a Fellow of the Royal Geographical Society.