Karl Dickson (born 2 August 1982 in Salisbury, England), is an English professional rugby union referee and former scrum half for Bedford Blues and Harlequins.

[3] On 24 April 2017, Dickson announced his retirement from professional rugby playing at the end of 2016–17 Aviva Premiership season.

Karl came off the bench in the second mid-week fixture against South African Barbarians North, replacing his younger brother Lee, but never received a full international cap.

Dickson began his refereeing qualifications in January 2014 and continued to play for Harlequins while gaining experience officiating.

Dickson has refereed two A League semi-finals, Exeter v Newcastle in 2016 and Gloucester v Wasps in 2017 and made his debut in the Greene King IPA Championship in the Christmas Eve match between London Irish and Richmond.

After 169 appearances for Harlequins scrum-half Dickson announced his retirement in April and joins the PGMOT in July.