Peter Lilley is a British Conservative politician. Lilley is a Member of the House of Lords and was an MP from 1983 to 2017, representing St Albans (later Hitchin and Harpenden). He was a Cabinet minister in the governments of Margaret Thatcher and John Major. Lilley has been an economic advisor in less developed countries and was Chairman of the Globalisation and Global Poverty Policy Review Group under David Cameron.
Lilley is a long term critic of the European Union, backed Brexit in 2016 and has since been supportive of the Eurosceptic pressure group Leave Means Leave. He has published widely on a huge range of topics, from terrorism in Northern Ireland to Cannabis policy and pensions.