Ibn Wahshiyah (fl. 9th century/10th century) (Arabic: أبو بكر أحمد بن وحشية Abu Bakr Ahmed ibn 'Ali ibn Qays al-Wahshiyah al-Kasdani al-Qusayni al-Nabati al-Sufi‎) was a Nabataean Arab writer, alchemist, agriculturalist, Egyptologist and historian born at Qusayn near Kufa in Iraq. He was known in early modern Europe as Ahmad Bin Abubekr Bin Wahishih.