Astrid Lew Yan Foon (born 15 August 2005) is a French tennis player.
Lew Yan Foon has a career-high singles ranking by the WTA of 351, achieved on 24 November 2025, and a best doubles ranking of world No. 834, achieved on 24 June 2024.
She made her WTA Tour main-draw debut at the 2025 Chennai Open, where she lost first round match against the defending champion Linda Fruhvirtová as a qualifier.