Hwaseong or Hwasong can refer to:
- Hwaseong, Gyeonggi, a city in the South Korean province of Gyeonggi
- Hwaseong Stadium, a group of sports facilities
- Hwaseong Fortress, a UNESCO heritage site in Suwon City, Gyeonggi Province, South Korea
- Hwasŏng (North Korea), a county in North Hamgyong province, North Korea, now known as Myonggan County
- Hwasong concentration camp, a political prison camp in North Hamgyong province, North Korea
- Hwasong rocket family of North Korea
- Hwasong-1 (R-17 Elbrus)
- Hwasong-3 (9K52 Luna-M / 2K6 Luna)
- Hwasong-5, North Korean version of the Scud ballistic missile
- Hwasong-6, also a North Korean version of the Scud ballistic missile
- Hwasong-7 (Rodong-1), another North Korean version of the Scud ballistic missile
- Hwasong-8, a ballistic missile
- Hwasong-9 (Rodong-1M)
- Hwasong-10
- Hwasong-11 (KN-02 Toksa)
- Hwasong-12
- Hwasong-13 (KN-08)
- Hwasong-14, July 2017 version of the North Korean ICBM
- Hwasong-15
- Hwasong-17
- Hwasong-18