Oncheon

Oncheon or Onchŏn may refer to:
 * Onchon County, Nampo City, South Pyongan Province, North Korea
 * Oncheon-dong, neighbourhood (dong) of Dongnae District, Busan, South Korea
 * Oncheon-cheon, stream in Busan, South Korea
 * the Korean word for "hot spring", similar to Onsen in Japanese