Ansan is a city in Gyeonggi Province, South Korea. Ansan may also refer to: Places Ansan (Gangwon), a mountain in Gangwon Province, South Korea Ansan, Gers, a commune of the Gers département, France Ansan (Seoul), a mountain in Seoul, South Korea Other uses Ansan (karate), a kata An San, a South Korean archer See also Anshan (disambiguation) Ansen Anson (disambiguation)