Sir Robert James MacGillivray Neill KC (Hon) is a British barrister and Conservative Party politician. He has served as the Member of Parliament (MP) for Bromley and Chislehurst since a by-election on 29 June 2006, following the death of the previous incumbent Eric Forth. He served as a Parliamentary Under Secretary of State at the Department of Communities and Local Government from 14 May 2010 to 4 September 2012. He is the current Chair of Parliament's Justice Select Committee.

A by-election was held in the UK parliament constituency of Bromley and Chislehurst in London, following the death of Conservative Member of Parliament Eric Forth on 17 May 2006. The writ for the electing of a new member was issued on 6 June for a polling day of 29 June 2006, the same day as the Blaenau Gwent by-elections. The Conservatives held the seat but with their majority much reduced by the Liberal Democrats.