The 2011 by-election in Oldham East and Saddleworth was a by-election for the Parliament of the United Kingdom's House of Commons constituency of Oldham East and Saddleworth held on 13 January 2011. Labour Party candidate Debbie Abrahams held the seat for her party with an increased majority over the Liberal Democrats, succeeding Phil Woolas, whose victory in the 2010 general election had been declared void because he had knowingly made false statements attacking his Liberal Democrat opponent's personal character.