Oleśnica (Polish: [ɔlɛˈɕɲit͡sa]) is a village in the administrative district of Gmina Wodynie, within Siedlce County, Masovian Voivodeship, in east-central Poland. It lies approximately 2 kilometres (1 mi) east of Wodynie, 23 km (14 mi) south-west of Siedlce, and 71 km (44 mi) east of Warsaw.