The first written mention of Horoušany is from 1238, when the village was donated to the Zderaz monastery. In 1436, Horoušany was acquired by a noble family that began to call itself Horoušanský of Roztoky. In 1524–1611, the village was a part of the Přerov estate. In 1611, the village was annexed to the Kounice estate.
Transport
There are no railways or major roads passing through the municipality.