Great Britain competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with 58 competitors in 11 sports.

* = decided on tie-break (combined time) On 22 January 2018, the British Olympic Association announced Amanda Lightfoot as the selection for their solitary representative in the Biathlon competitions.

[11][12][13] * – Denotes the driver of each sled Sam Blanchet and Montell Douglas were travelling reserves Andrew Musgrave's seventh place in the men's 30 km skiathlon was the best performance by a Briton in an Olympic cross country event.

[15] Outside of the Olympic Games, Great Britain competes under the flags of its constituent home nations, Scotland, England and Wales (Northern Irish players compete for a combined Ireland); Scotland results are treated as Great Britain for the purposes of Olympic qualification.

[16] Based on results from the 2016 and 2017 World Championships obtained by Scotland, Great Britain qualified a men's team, consisting of five athletes, as one of the seven highest ranked nations.