Lev Korneev (born 15 March 2005) is a Serbian taekwondo practitioner.

He was a silver medalist at the 2024 European Taekwondo Championships and competed at the 2024 Paris Olympics.

He was a bronze medalist at the 2023 European U21 Taekwondo Championships in Bucharest.

[2] He was a silver medalist at the 2024 European Taekwondo Championships in Belgrade in the Men's 58 kg category.

[3] He entered the European Olympic qualifying tournament in Sofia, Bulgaria in March 2024.