Zheng Jiacheng (; born 10 February 2005) is a Belgian professional footballer who plays as a defender for Liaoning Tieren.
Zheng was born on 10 February 2005. Born in Mouscron, Belgium, he is of Chinese descent through his parents.
As a youth player, Zheng joined the youth academy of Belgian side KV Kortrijk. Following his stint there, he joined the youth academy of Croatian side NK Inker Zapreà ¡iàin 2023.
During the summer of 2023, he joined the youth academy of Belgian side Royale Union Saint-Gilloise and was promoted to the club's reserve team the same year, where he made seven league appearances and scored zero goals. Ahead of the 2026 season, he signed for Chinese side Liaoning Tieren.
Zheng plays as a defender. Chinese news website Sohu wrote in 2025 that he "demonstrated excellent adaptability and versatility, capable of playing in multiple positions such as right-back, winger, and even striker".