Sophie Beth Unwin (born 23 July 1994) is an English racing cyclist who competes in para-cycling tandem road and track events as a visually impaired athlete.

They won the gold medal in the tandem B time trial at the 2021 UCI Para-cycling Road World Championships.

She finished third in the competition however, no bronze medal was awarded as the minimum five entries did not compete, after a late withdrawal from the fifth entered team.

[4] She along with her pilot Georgia Holt attempted to stand behind the podium ceremony with the flag of England before being escorted/moved by a security staff member and as a result Unwin was subsequently fined for breaching the code of conduct and she left the scene with tears.

In the road time trial B on 4 September she claimed silver, beating fellow British pairing Lora Fachie and Corrine Hall, who won bronze.