Józefosław
{{Infobox settlement
| name = Józefosław
| settlement_type = Village
| total_type =
| image_skyline = Józefosław.jpg
| image_caption = The Roman Catholic Parish of St. Joseph Guardian of Labor in Józefosław
| image_flag =
| image_shield =
| image_map =
| subdivision_type = Country
| subdivision_name = {{POL}}
| subdivision_type1 = Voivodeship
| subdivision_name1 = Masovian
| subdivision_type2 = County
| subdivision_name2 = Piaseczno
| subdivision_type3 = Gmina
| subdivision_name3 = Piaseczno
| coordinates = {{coord|52|6|25|N|21|2|21|E|region:PL|display=title,inline}}
| pushpin_map = Poland
| pushpin_label_position = bottom
| elevation_m = 86
| population_footnotes =
| population_as_of = 2021
| population_density_km2 =
| website =
}}
Józefosław ({{IPA|pl|juzɛˈfɔswaf}}) ({{langx|de|Krapenest}}) is a village in the administrative district of Gmina Piaseczno, within Piaseczno County, Masovian Voivodeship, in east-central Poland.{{TERYT}} It lies approximately {{convert|5|km|mi|0|abbr=on}} north of Piaseczno and {{convert|13|km|mi|0|abbr=on}} south of Warsaw. It currently has the largest population of any village in Poland.