Owain Daniel Doull (born 2 May 1993[6]) is a Welsh road and track cyclist, who currently rides for UCI WorldTeam EF Education–EasyPost.

[10] In 2010 he was selected for the 2011 British Cycling's Olympic Development Programme, along with fellow Welsh cyclists Amy Roberts and Elinor Barker.

[6] Doull's first competitive tournament for Great Britain was at the 2013 UCI Track Cycling World Championships in Minsk, where he finished fifth in the Scratch race.

[6] His first podium finish was at the 2013 UEC European Track Championships in Apeldoorn, where as part of the team pursuit, he took gold along with Steven Burke, Ed Clancy and Andy Tennant.

In November 2015 Doull confirmed that he would remain at WIGGINS for the 2016 season, whilst in May 2016 it was announced that he would join Team Sky on a two-year deal from 2017.