Sanjar Fayziev (born 29 July 1994) is an Uzbekistani tennis player.

Fayziev has a career high ATP singles ranking of 253 achieved on 17 July 2017.

He also has a career high ATP doubles ranking of 190 achieved on 20 June 2022.

Fayziev has represented Uzbekistan at the Davis Cup where he has a W/L record of 7–16.

In 2023, Fayziev was banned from professional tennis for 42 months (6 months suspended) and fined $15,000 by the International Tennis Integrity Agency after he was found liable for five match fixing charges involving two matches that took place in 2018.