Chongju is a city in North P'yŏngan province, North Korea.
Chongju or Jeongju may also refer to:
Chongju, the former name of Chongpyong County, North Korea Ch'ŏngju, a former place in Korea in modern-day Kaepung-guyok, North Korea Jeongju, the former name of Jeongeup, South Korea.
See also Cheongju (disambiguation), for articles that would be romanized as Ch'ŏngju in McCune–Reischauer