Willem Anton van Vloten (Bandung, 7 June 1941) is a Dutch dermatologist. Van Vloten studied medicine at the University of Leiden where he graduated on 19 June 1974. He was appointed as a professor of dermatology and venereology in 1980. Later he was appointed as a dermatology professor at the University of Utrecht on 8 November 1984 and worked there till 1 June 2001.