Martina Maria Anna Antonia "Tineke" Bartels-de Vries (born 6 February 1951 in Eindhoven) 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 Annemarie Sanders, Ellen Bontje, and Anky van Grunsven.

Four years later Bartels repeated that feat, this time with Van Grunsven and the couple Gonnelien and Sven Rothenberger.

Her daughter Imke competed at the 2004 Summer Olympics in Athens, Greece.

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