Lawrence Dundas 2nd Marquess of Zetland
 Lawrence John Lumley Dundas 2nd Marquess of Zetland KG GCSI GCIE PC DL JP (11 June 1876 – 6 February 1961) styled Lord Dundas until 1892 and Earl of Ronaldshay between 1892 and 1929 was a British Conservative politician. An expert on India he served as Secretary of State for India in the late 1930s.