Macha Alexandra van der Vaart is a former field hockey midfielder from the Netherlands, who played 151 international matches for the Dutch National Women's Team, in which she scored seventeen goals. She made her debut on 9 December 1998 against Australia (1-1), and was a member of the team that won bronze at the 2000 Summer Olympics and silver at the 2004 Summer Olympics. She retired from international competition after the Athens Games.