Elinor Jane Barker (born 7 September 1994) is a Welsh road and track racing cyclist, who currently rides for UCI Women's Team Uno-X Mobility.

[6] She has two older siblings, Joe and Harri and a sister, Megan, three years her junior and also a successful racing cyclist.

[11][12] In September 2014, it was announced that Barker would follow in the footsteps of teammate Laura Trott and join the Matrix Fitness Pro Cycling team for 2015.

[13] At her home world championships in London, Barker was part of the pursuit team along with Ciara Horne, Joanna Rowsell Shand and Trott to claim the bronze medal; after a disappointing qualifying ride.

[14] At the 2016 Olympic Games, Barker along with Katie Archibald, Rowsell Shand and Trott claimed the gold medal in the team pursuit in a world record time of four minutes and 10.236 seconds.

[22] At the World Championships, Barker claimed two silver medals, one in the scratch race and the other in the Madison alongside Emily Nelson.

[30] Later that year Barker took two titles at the European Track Championships, one as part of the team pursuit squad alongside Katie Archibald, Neah Evans, Laura Kenny and Josie Knight, and an individual gold in the elimination race.

[38] Barker was appointed Member of the Order of the British Empire (MBE) in the 2017 New Year Honours for services to cycling.