South East England was a constituency of the European Parliament.

It elected 10 Members of the European Parliament (MEPs) using the D'Hondt method of party-list proportional representation until the UK exit from the European Union on 31 January 2020.

The constituency corresponded to South East England, in the south east of the United Kingdom, comprising the ceremonial counties of Berkshire, Buckinghamshire, East Sussex, Hampshire, the Isle of Wight, Kent, Oxfordshire, Surrey and West Sussex.

It was formed as a result of the European Parliamentary Elections Act 1999, replacing a number of single-member constituencies.

Brackets indicate the order candidates were elected and the number of votes per seat won in their respective columns.