Official Parliamentary portrait, June 2017
|Member of Parliament|
|Assumed office |
8 June 2017
|Preceded by||Mark Williams|
|Born||22 January 1993|
Lampeter, Ceredigion, Wales
|Political party||Plaid Cymru|
|Alma mater||Trinity College, Oxford|
Lake was born and brought up in Lampeter, the son of a policeman and a council worker. He attended Ffynnonbedr Primary School and Ysgol Bro Pedr. After graduating from Trinity College, Oxford with an undergraduate degree in History and Politics, and a master's degree in Modern British and European History, he became a Research Officer in the National Assembly for Wales. He is a fluent Welsh speaker.
In the 2017 general election, Lake won the Ceredigion constituency, gaining the seat from Liberal Democrat Mark Williams with 11,623 votes (29.2% of the overall vote). At the age of 24, Lake became the youngest MP elected in 2017 and Plaid's youngest ever MP. He is also currently the youngest MP in Wales.
Lake is currently the Plaid Cymru spokesperson at Westminster for the Environment, Food, Rural Affairs, Education, Skills, Health, Communities, Local Government, Culture, Media, Sport and Constitutional Affairs. Lake was appointed a member of the Welsh Affairs Committee in September 2017. He is a member of the All-Party Parliamentary Group on State Pension Inequality for Women. He supported Rhun ap Iorwerth in the 2018 Plaid Cymru leadership election.
Lake gave his support to a second referendum on the terms of Brexit. In March 2019, he voted for an amendment tabled by members of The Independent Group for a second public vote on EU membership. 
- "No. 61961". The London Gazette. 19 June 2017. p. 11786.
- Lake, Ben Morgan. ukwhoswho.com. Who's Who. 2018 (February 2018 online ed.). A & C Black, an imprint of Bloomsbury Publishing plc. Retrieved 13 February 2018. (subscription or UK public library membership required)
- "Ben Lake MP". UK Parliament. Retrieved 2 August 2017.
- Shipton, Martin (25 July 2018). "Listen to the latest Martin Shipton Meets podcast". walesonline. Retrieved 7 August 2018.
- "Ysgol Bro Pedr". bropedr.ceredigion.sch.uk. Retrieved 2 August 2017.
- "Unheard Oxford: Andrei, Trinity rower and assistant steward". Cherwell.org. Retrieved 2 August 2017.
- "Wales' battlegrounds: Ceredigion". Nation Cymru. 7 June 2017. Retrieved 9 June 2017.
- "Ben Lake MP's Maiden Speech". The Party of Wales. Retrieved 7 August 2018.
- "Ceredigion parliamentary constituency - Election 2017". BBC News. Retrieved 23 June 2017.
- "Who Is Ben Lake, Plaid Cymru's Youngest Ever MP?". WalesOnline. 9 June 2017. Retrieved 9 June 2017.
- "No Liberal MP in Wales for the first time since 1859". BBC News. Retrieved 9 June 2017.
- "Plaid Cymru announces Westminster spokespeople". The Party of Wales. Retrieved 23 June 2017.
- "Membership - Welsh Affairs Committee". UK Parliament. Retrieved 12 October 2017.
- Parkinson, Dave (15 July 2018). "Ceredigion MP backing women's pension rights". Tivyside Advertiser. Retrieved 6 August 2018.
- "Rhun ap Iorwerth on Twitter". Twitter. Retrieved 20 August 2018.
- Evans, Greg (26 July 2018). "The list of every MP that has backed a referendum on the final Brexit deal". The Independent. Retrieved 6 August 2018.
- Mosalski, Ruth. "Brexit latest: The Welsh MPs who voted for a second referendum". Wales Online.
- Profile at Parliament of the United Kingdom
- Contributions in Parliament at Hansard 2010–present
- Voting record at Public Whip
- Record in Parliament at TheyWorkForYou
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