The 17-year-old's new deal, which was announced Monday, will see him remain at French giants PSG until 2020.
Timothy Weah joined the Ligue 1 side in 2014 and he starred last season, scoring a hat-trick against Ludogorets in the UEFA Youth League.
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"I'm very proud to continue my adventure with Paris Saint-Germain by signing this professional contract," Timothy Weah told PSG's official website.
"I'm with a great club and I can't wait continue making progress towards my goal of one day playing for the senior team."
Timothy's father and former Liberia international, George, represented PSG between 1992 and 1995 – going on to win the Ballon d'Or shortly after moving to