Peter Stewart Lane, Baron Lane of Horsell, FCA (29 January 1925 – 9 January 2009) was a British politician and businessman. A Conservative Member of the House of Lords, he was created a life peer on 17 July 1990 as Baron Lane of Horsell, of Woking in the County of Surrey. After a spell in the Royal Navy, he trained as an accountant and rose to be senior partner of Binder Hamlyn from 1979 to 1992. He was an active freemason. Later in life he was also chairman of Action on Addiction and the Nuffield Hospital, and held a number of directorships.