Ian Le Marquand or Bryan Ian Le Marquand (born 18 September 1951) is a Jersey politician, former deputy chief minister, minister for home affairs and magistrate.
Le Marquand was educated at Jersey High School, Victoria College Preparatory, Victoria College, and The College of Law.
Le Marquand was Jersey's judicial Greffier from 1990 to 1997, and the senior magistrate from 1999 to 2008.
Le Marquand was first sworn in as a senator for the States of Jersey on 8 December 2008, after topping the polls in the 2008 Jersey general election.
On 25 November 2011, he was appointed as deputy chief minister by the chief minister, Ian Gorst.