Maria Cornelia Vreeken (born 22 December 1928), née Corry Bouwman, also Corry Vreeken-Bouwman, is a Dutch chess player who holds the title of Woman Grandmaster (WGM, 1987).

She is a five-time winner of the Dutch Women's Chess Championship (1960, 1962, 1964, 1966, 1970).

In the 1960s and 1970s, Corry Vreeken was one of the leading Dutch women's chess players.

Her best results were in Emmen (1962), shared 1st - 3rd place in Beverwijk (1968) and won zonal tournament in Biel/Bienne (1980).

Corry Vreeken two times participated in the Women's World Chess Championship Interzonal Tournaments: Corry Vreeken played for Netherlands in the Women's Chess Olympiads:[4] In 1968 she was awarded the FIDE Woman International Master (WIM) title and in 1987 the Woman Grandmaster (WGM) honorary title.