Wex (disambiguation)
Wex is a collaboratively-edited legal dictionary and encyclopedia.
Wex or WEX may also refer to:
- WEX Inc., a provider of payment processing and information management services
 - County Wexford, the Chapman code WEX
 - Wechselapparat, a World War I German flamethrower
 
People with the surname
- Michael Wex, Canadian author
 - Bernard Wex, English civil engineer
 - Helga Wex (1924-1986), German politician
 - Marianne Wex, German feminist artist, author, and self-healer