London was a constituency of the European Parliament from 1999 until the UK exit from the European Union on 31 January 2020.
Between 2009 and 2020, it returned eight MEPs, using the D'Hondt method of party-list proportional representation.
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! Election
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! 1979 – 1984
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! 1984 – 1989
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! 1989 – 1994
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! 1994 – 1999
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! London South <small>(until 1984)</small><br />London South and Surrey East <small>(from 1984)</small>
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| colspan = 7 | James Moorhouse<br />Conservative, Liberal Democrats (from 1998)
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! London South West
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| colspan = 3 | Shelagh Roberts<br />Conservative
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| colspan = 3 | Anita Pollack<br />Labour
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! London North West
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| colspan = 5 | Lord Bethell<br />Conservative
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| <br />Labour
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! London South East
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| Brandon Rhys-Williams<br />Conservative
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| colspan = 3 | Peter Price<br />Conservative
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| Shaun Spiers<br />Labour
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! London North
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| colspan = 3 | John Leslie Marshall<br />Conservative
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| colspan = 3 | Pauline Green<br />Labour/Co-operative
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! London Central
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| David Nicolson<br />Conservative
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| colspan = 5 | Stan Newens<br />Labour/Co-operative
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! London West
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| Brian Hord<br />Conservative
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| colspan = 5 | Michael Elliott<br />Labour
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! London East
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| Alan Tyrrell<br />Conservative
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| colspan = 5 | Carole Tongue<br />Labour
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! London
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| colspan = 7 | Richard Balfe<br />Labour
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! London North East
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| colspan = 7 | Alfred Lomas<br />Labour
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Returned members
Below are all the members since the creation of the London constituency. The number of seats allocated to London had been reduced from 10 to 8 between 1999 and 2009 due to EU enlargement. Members elected in 1999 who previously represented a London constituency were Pauline Green (London North, elected 1989) and Robert Evans (London North West, elected 1994).<br />Conservative
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| colspan = 7 | Syed Kamall<br />Conservative
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| Lance Forman<br />Brexit Party (May–December 2019)<br />Independent (December 2019 to 2020),<br /> Conservative Party (2020 to present)
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! MEP<br />Party
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| colspan = 11 | Charles Tannock<br />Conservative
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| Irina von Wiese<br />Liberal Democrat
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! MEP<br />Party
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| colspan = 7 | John Bowis<br />Conservative
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| <br />Conservative
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| Lucy Anderson<br />Labour
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| Dinesh Dhamija<br />Liberal Democrat
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! MEP<br />Party
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| colspan=3"| Pauline Green<br />Labour
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| colspan=7 | Mary Honeyball<br />Labour
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| Luisa Porritt<br />Liberal Democrat
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! MEP<br />Party
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| colspan = 13 | Claude Moraes<br />Labour
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! MEP<br />Party
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| colspan = 9 | Sarah Ludford<br />Liberal Democrat
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| colspan = 3| Seb Dance<br />Labour
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! MEP<br />Party
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| colspan = 7 | Robert Evans<br />Labour
! colspan = 7 | Seat abolished
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! MEP<br />Party
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| colspan = 3 | Richard Balfe<br />Labour (1999–2002)<br />
! colspan = 11 | Seat abolished
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Returned Members by seat
Seats allocated using d'Hondt method, in order. Transfers within parties between elections omitted for simplicity.
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|-
! Election
!colspan="2"|1st MEP
!colspan="2"|2nd MEP
!colspan="2"|3rd MEP
!colspan="2"|4th MEP
!colspan="2"|5th MEP
!colspan="2"|6th MEP
!colspan="2"|7th MEP
!colspan="2"|8th MEP
!colspan="2"|9th MEP
!colspan="2"|10th MEP
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|1999
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|rowspan="1"| Labour<br />(Pauline Green)
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|rowspan="1"| Con<br />(Theresa Villiers)
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|rowspan="1"| Labour<br />(Claude Moraes)
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|rowspan="1"| Con<br />(Charles Tannock)
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|rowspan="1"| Labour<br />(Robert Evans)
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|rowspan="1"| LD<br />(Baroness Sarah Ludford)
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|rowspan="1"| Con<br />(Nicholas Bethell)
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|rowspan="1"| Labour<br />(Richard Balfe)
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|rowspan="1"| Con<br />(John Bowis)
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|rowspan="1"| Green<br />(Jean Lambert)
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|2004
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|rowspan="1"| Con<br />(Theresa Villiers)
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|rowspan="1"| Labour<br />(Claude Moraes)
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|rowspan="1"| LD<br />(Baroness Sarah Ludford)
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|rowspan="1"| Con<br />(John Bowis)
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|rowspan="1"| Labour<br />(Mary Honeyball)
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|rowspan="1"| UKIP<br />(Gerard Batten)
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|rowspan="1"| Con<br />(Charles Tannock)
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|rowspan="1"| Green<br />(Jean Lambert)
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|rowspan="1"| Labour<br />(Robert Evans)
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|2009
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|rowspan="1"| Con<br />(Charles Tannock)
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|rowspan="1"| Labour<br />(Claude Moraes)
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|rowspan="1"| LD<br />(Baroness Sarah Ludford)
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|rowspan="1"| Con<br />(Syed Kamall)
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|rowspan="1"| Green<br />(Jean Lambert)
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|rowspan="1"| UKIP<br />(Gerard Batten)
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|rowspan="1"| Labour<br />(Mary Honeyball)
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|rowspan="1"| Con<br />(Marina Yannakoudakis)
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|2014
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|rowspan="1"| Labour<br />(Claude Moraes)
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|rowspan="1"| Con<br />(Syed Kamall)
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|rowspan="1"| Labour<br />(Mary Honeyball)
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|rowspan="1"| UKIP<br />(Gerard Batten)
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|rowspan="1"| Labour<br />(Lucy Anderson)
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|rowspan="1"| Con<br />(Charles Tannock)
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|rowspan="1"| Labour<br />(Seb Dance)
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|rowspan="1"| Green<br />(Jean Lambert)
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|2019
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|rowspan="1"| LD<br />(Irina von Wiese)
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|rowspan="1"| Labour<br />(Claude Moraes)
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|rowspan="1"| Brexit<br />(Benyamin Habib)
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|rowspan="1"| LD<br />(Dinesh Dhamija)
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|rowspan="1"| Green<br />(Scott Ainslie)
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|rowspan="1"| Labour<br />(Seb Dance)
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|rowspan="1"| LD<br />(Luisa Manon Porritt)
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|rowspan="1"| Brexit<br />(Lance Forman)
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Election results
Elected candidates are shown in bold. Brackets indicate the number of votes per seat won and order of MEPs elected.
2019
thumb|2019 results
2014
thumb|2014 results
The 2014 results were delayed by Tower Hamlets, where there were recounts needed for six local election wards.
2009
thumb|2009 results
2004
thumb|2004 results
1999
thumb|1999 results