Versoix (French pronunciation: [vɛʁ.swa]; local Arpitan dialect: Varchoè) is a municipality in the Canton of Geneva , in Switzerland. It is located in the northern suburbs of Geneva.

The name of the commune is of uncertain origin. It could be composed of the Proto-Indo-European base *uer- ("water, river"), the infix -s-, and suffix -ogia. It is first attested from c. 1026 to 1031, in the Medieval Latin form Uersoi. Its name in Genevan patois is Varchoè.