Horse-Chestnut
- Botanical name: Aesculus hippocastanum
- Other name(s): Conker Tree
- Family: Sapindaceae
- More infos: Horse-Chestnut is not related to the Sweet Chestnut (Castanea sativa)

Sweet Chestnuts (left) and Horse-Chestnuts (right).
Sweet Chestnuts (left) and Horse-Chestnuts (right).