Lidewij Guinevère de Vos (Leidschendam, 30 August 1997) is a Dutch politician of Forum voor Democratie (FVD). She has been a member of the House of Representatives since 4 September 2025, after having also held this position from January to March 2025. De Vos is formally the party leader of the FVD. In the House of Representatives, she is the parliamentary group leader.