Sebastian Grindley (born 24 April 2006) is a British road cyclist who rides for UCI Continental team Lidl–Trek Future Racing.

[2] He was selected the European Youth Olympic Festival (EYOF) in Slovakia in July 2022 at the age of 16 years-old, winning bronze in the time trial and finishing twelfth in the road race.

He placed eighth at the Junior World Championahops road race in Glasgow.

[6][7] Shortly afterwards, he signed for UCI Continental team Lidl–Trek Future Racing.

[8] He is the son of Zoe and David Grindley, a track and field athlete won a bronze medal at the 1992 Olympic Games in the 4x400 metres relay.