Aletta van Manen (born October 20, 1958 in Wageningen, Gelderland) is a former Dutch field hockey defender, who won the gold medal with the National Women's Team at the 1984 Summer Olympics. Four years later in Seoul she captured the bronze medal with the national side. From 1983 to 1988 she played a total number of 81 international matches for Holland, in which she scored two goals. Van Manen retired after the 1988 Summer Olympics in South Korea.