David Patrick Paul Alton, Baron Alton of Liverpool, KCSG, KCMCO (born 15 March 1951) is a British politician. He is a former Liberal Party and later Liberal Democrat Member of Parliament who has sat as a crossbench member of the House of Lords since 1997 when he was made a life peer. Alton is also known for his human rights work including the co-founding of Jubilee Action, the children's charity (which changed its name to Chance for Childhood in 2014), and serves as chair, patron or trustee of several charities and voluntary organisations.