Keith Hubert Douglas Barker (born 21 October 1986) is an English first-class cricketer who plays for Hampshire.

[6] He made his professional debut two days later, playing the full 90 minutes in their 1–1 draw with Hereford United at Spotland.

[7] He scored one goal for the club in 16 appearances, equalising in a Football League Trophy tie away to Crewe Alexandra on 31 October which finished 1–1, with the hosts winning in a penalty shootout.

[8] Barker joined Irish club St Patrick's Athletic in the summer of 2007 after being released by Blackburn, though his five months there were mostly spent off with injury.

[14] In 2012, he formed an unexpectedly potent opening attack with Chris Wright that played a key part in Warwickshire winning the County Championship with a game to spare.

[2][16] On 26 September 2018, Barker signed for Hampshire on a two-year deal from 2019 onwards,[17] taking 37 Championship wickets in his first season, before extending his contract further on 15 January 2020.