||April 3, 1958
Annemarie Sanders-Keijzer (born April 3, 1958 in Koog aan de Zaan, Noord-Holland) is an equestrian from The Netherlands, who won the silver medal in the Team Dressage Event at the 1992 Summer Olympics in Barcelona, Spain. She did so alongside Tineke Bartels, Ellen Bontje, and Anky van Grunsven. In the individual competition Sanders finished in 40th position. She competed in three Summer Olympics for her native country, starting in 1984.