Hwaseong or Hwasong can refer to:
- Hwaseong City, a city in Gyeonggi Province, South Korea
- Hwasŏng (North Korea), a county in North Hamgyong province, North Korea
- Hwaseong Fortress, a UNESCO heritage site in Suwon City, Gyeonggi Province, South Korea
- Hwasong-5, North Korean version of the Scud ballistic missile
- Hwasong-6, also a North Korean version of the Scud ballistic missile