Lynne Choona Featherstone (born Lynne Choona Ryness) 20 December 1951), is a British politician, and the Liberal Democrat Member of Parliament for Hornsey and Wood Green. She is currently chair of the Liberal Democrats technology board.

She was born and brought up in North London and educated at the Highgate Primary School, the independent South Hampstead High School on Maresfield Gardens and gained a Diploma in Communication and Design at Oxford Polytechnic. She has lived in the Hornsey and Wood Green constituency for over thirty years. Her family's wealth is generated from a family business started by her parents - the Ryness chain of hardware and electrical shops in London. She lives in Highgate on the western side of the constituency. She is from a Jewish background.

She was elected as a councillor in the London Borough of Haringey in 1998 for Muswell Hill ward. She and her two colleagues (June Andersen and Julia Glenn) were the first three Liberal Democrat councillors to be elected in the borough. She was leader of Liberal Democrat Group (and thereby Leader of the Opposition) on the council 1998-2002.