Lam Weng-Kin is a 20-year-old professional football player from MAC. At the international level, he represents Macau of China. He plays primarily as a Defender.

Throughout the Chinese U20 National Games 2025, Lam Weng-Kin featured in 4 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.