Auxiliary
- And I Have Been
- Aux (disambiguation)
- Aux-send
- Auxiliaries
- Auxiliaries (Roman military)
- Auxiliary (fraternity or sorority)
- Auxiliary bishop
- Auxiliary language (disambiguation)
- Auxiliary organization (LDS Church)
- Auxiliary percussion
- Auxiliary police
- Auxiliary route
- Auxiliary ship
- Auxiliary verb
- Axillary (disambiguation)
- Cisco routers
- Phone connector (audio)