Châtaincourt (Châtaincourt)
- commune in Eure-et-Loir, France
- Country:
- Postal Code: 28270
- Coordinates: 48° 41' 41" N, 1° 13' 39" E
- GPS tracks (wikiloc): [Link]
- Area: 14.82 sq km
- Population: 241
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q1072181
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03nqspw]
- GeoNames ID: Alt: [6613235]
- SIREN number: [212800874]
- BnF ID: [152540188]
- INSEE municipality code: 28087