Joan Marie Ryan (born 8 September 1955) is a British Change UK politician who served as the Member of Parliament (MP) for Enfield North from 1997 to 2010 and from 2015 to 2019.
Ryan studied sociology and worked as a teacher, before becoming a Labour councillor on Barnet London Borough Council in 1990, serving as deputy leader of the council from 1994 to 1998.
She was a government whip under Tony Blair from 2002 to 2006, a junior Home Office minister responsible for ID cards from 2006 to 2007, and the Prime Minister's Special Representative to Cyprus from 2007 to 2008, when she was sacked.
She lost her seat in the 2010 general election after an expenses scandal and was deputy campaign director of NOtoAV in the 2011 Alternative Vote referendum.
Ryan was re-elected in Enfield North in the 2015 general election.
She was chair of the Labour Friends of Israel (LFI) and has been highly critical of Jeremy Corbyn.
In 2018, she lost a motion of no confidence by her constituency party.
Ryan left Labour to join The Independent Group in 2019.
In September 2019, Ryan announced that she would not stand at the next general election.