Horné Orešany (Hungarian: Felsődiós) is a village and municipality of the Trnava District in the Trnava region of Slovakia.

A reservoir, also named Horné Orešany, is located nearby.

The village is famous for its wine cultivation.

A special type of wine Orešanské červené /The Red one from Orešany/ is a local and national wine speciality.

This Trnava Region geography article is a stub.