In the Bible, Gershom (גֵּרְשֹׁם "Expulsion", Standard Hebrew Gerəšom, Tiberian Hebrew Gērəšōm) was the firstborn son of Moses and Zipporah (Exodus 2:22). The text explains the name as "a stranger there" (גר שם ger sham), referring to Moses' flight from Egypt. He was circumcised by Zipporah, thus saving Moses from God's wrath (Exodus 4:24-26).

A later biblical tradition names Shebuel as Gershom's "son" (I Chronicles 23:16, 26:24; more likely his "descendant," as Shebuel lived in David's time). Judges 18:30 mentions a "Jonathan son of Gershom son of Moses", as well as his descendants who served as kohanim to the Tribe of Dan. (The Masoretic text reads "son of מנשה Manasseh," but the letter nun appears in superscript, suggesting משה Mosheh as an alternative reading.)