Liu Longlong is a professional footballer from CHN and is currently 20 years old. He is on the books of Tianjin Jinmen Tiger U20 and wears shirt number 65. His main role on the pitch is Forward.

During the Chinese Football Assorciation U-20 League 2025 campaign, Liu Longlong made 17 appearances, scoring 10 goals and adding 2 assists. He averaged 0.6 goals per match from 26 shots, with 15 on target.