Marloes Nijhuis (born 14 March 1991) is a Dutch water polo player. She was a member of the Netherlands women's national water polo team. She played at the 2010 Women's European Water Polo Championship, 2014 Women's European Water Polo Championship, 2015 World Aquatics Championships, 2016 Women's European Water Polo Championship, and 2016 Summer Olympics women's qualification.