Bettembos (Picard: Bétimbo) is a commune in the Somme department in Hauts-de-France in northern France.
Betembos (1154), Betemboiz (1177), Betthembos (1206), Bedembos (1337), Bethembos (1349), Bettembos (1483), Betembo (1648), Betenbos (1710), Betenbo (1733), Bettenbos (1750), Betanbo (1778).
Bettembos is situated on the D36 road, within a mile of the A29 autoroute, southwest of Amiens.