Sion \sion\ as a boy's name is of Hebrew origin. Refers to the fortified hill of pre-Israelite Jerusalem. After the Israelites captured this hill, it became the official residence of king David and other kings. To Christians, Sion is a symbol of heaven.

Sion has 1 variant form: Zion.

Baby names that sound like Sion are Syon, Cian, Sean, Shan, Shonn, Signe, Signy and Swen.