Boris Biserov Nachev (; born 22 April 2004) is a Bulgarian professional volleyball player who plays as a middle blocker for Pallavolo Padova and the Bulgaria national team.

Club career Boris Nachev started his volleyball club career at hometown club Cherno More BASK. He played there for 5 years from 2020. Nachev won the best middle blocker for the 2024–25 Bulgarian League season. On 15 June 2025, Nachev was officially announced as a new signing of the Italian club Pallavolo Padova. On 11 December 2025, Nachev won 'Best athlete of SC Cherno More'.

National team career Boris Nachev was a part of Bulgaria's 2025 World Championsip silver medal.

Honuors

Team Club

2021–22 NVL Top League 2021–22 Bulgarian Top League Cup

National team

2021 World Championship U19 2022 European Youth Olympic Festival U19 2022 European Championships U21 2025 World Championship

Individual

2024–25 Bulgarian League–Best middle blocker 2025 JSC Cherno More–Best athlete

References