Starokostiantyniv
| Starokostiantyniv Старокостянтинів | |
|---|---|
| Top: Starokostiantyniv Castle; bottom left: Monument to Pilots; bottom right: Church of the Nativity of Blessed Virgin Mary | |
| Coordinates: 49°45′14″N 27°13′13″E / 49.75389°N 27.22028°E | |
| Country | Ukraine | 
| Oblast | Khmelnytskyi Oblast | 
| Raion | Khmelnytskyi Raion | 
| Hromada | Starokostiantyniv urban hromada | 
| Founded | 1561 | 
| Area | |
|  • Total | 40 km2 (20 sq mi) | 
| Elevation | 265 m (869 ft) | 
| Population  (2022) | |
|  • Total | 33,921 | 
| Website | http://starkon.km.ua/ | 
Starokostiantyniv (Ukrainian: Старокостянтинів, IPA: [ˌstɑrokosʲtʲɐnˈtɪn⁽ʲ⁾iu̯] ⓘ; Polish: Starokonstantynów or Konstantynów; Yiddish: אלט-קאָנסטאַנטין, romanized: Alt Konstantin) is a city in Khmelnytskyi Raion, Khmelnytskyi Oblast (province) of western Ukraine. It hosts the administration of Starokostiantyniv urban hromada, one of the hromadas of Ukraine. Population: 33,921 (2022 estimate). In 2025, about 30,000 people live there.