Oleśnica (Polish: [ɔlɛˈɕɲit͡sa]) is a village in the administrative district of Gmina Olesno, within Dąbrowa County, Lesser Poland Voivodeship, in southern Poland. It lies approximately 6 kilometres (4 mi) south of Olesno, 4 km (2 mi) west of Dąbrowa Tarnowska, and 72 km (45 mi) east of the regional capital Kraków.

In Kozubów (then within the borders of Austria-Hungary), today's part of Oleśnica, the outstanding Polish beekeeper Professor Leonard Weber (1889–1975) was born.