Agnes Henriëtte Mulder (born 21 October 1973) is a Dutch politician who is serving as the King's Commissioner of Drenthe since December 2025.
She was a member of the House of Representatives from 2012 till 2023.
A member of the Christian Democratic Appeal (CDA), she was previously elected to the municipal council of Assen in 2010, where she chaired the party group. Mulder started her political career as a member of the States Provincial of Drenthe, a position she held from 2003 to 2010. She is a member of the Protestant Church in the Netherlands (PKN).