3,303 candidates stood in the United Kingdom general election of 2017, which was held on 8 June 2017.

[1] The total number of candidates was 3,303; this is fewer than the 3,971 candidates who stood in the 2015 United Kingdom general election or the record 4,133 who stood in the 2010 United Kingdom general election.

[6] The Conservative Party put forward the most candidates, standing in 638 of the UK's 650 seats.

[8] Otherwise, the Conservatives, Labour and Liberal Democrats stood in all constituencies, except the Liberal Democrats who did not field candidates in Brighton Pavilion and Skipton and Ripon with local parties having decided to support the Green candidates there instead.

In Scotland, 266 candidates stood, down from 346 in 2015, and fewer than in many prior general elections.

Unusually, all forty members of the previous Parliament from Wales stood for reelection.

[4] In addition, the People Before Profit Alliance and Workers' Party ran in two seats each, Traditional Unionist Voice and Citizens Independent Social Thought Alliance in one each, and were are four independent candidates.