Harry Tanfield (born 17 November 1994) is a British cyclist, who currently rides for UCI Continental team .
Tanfield grew up in Great Ayton in Yorkshire, England. He attended Stokesley School.
Tanfield rode for in 2015 and in 2016, before joining for the 2017 season.
At the British National Track Championships, Tanfield finished third as part of the men's team pursuit and second in the men's omnium.
He won a Silver medal in the Commonwealth Games in the Men's Individual Time Trial.
On 3 May 2018 he won the opening stage of the Tour de Yorkshire road race, from Beverley to Doncaster. Later in May, Tanfield won consecutive rounds of the Tour Series criterium competition in Aberystwyth and Stevenage, and was part of the team that won the series overall.
In August 2018 it was announced that Tanfield would step up to the UCI World Tour for 2019, signing a two-year contract with . He left the team after one season, and joined for the 2020 season. In October 2020, he was named in the startlist for the 2020 Vuelta a España. After his contract was not extended into 2021, Tanfield initially announced his intention to join in November 2020, but the following month, he signed a contract to remain at World Tour level, with . In 2022 Tanfield signed with the british team Ribble Weldtite.
His brother Charlie Tanfield, who is two years younger than him, is also a medal winning cyclist.