Appliance may refer to:
- Home appliance, household machines, using electricity or some other energy input
- In medicine and dentistry, custom-fitted appliances to an individual for the purpose of correction of a physical or dental problem such as:
- Computer appliance, a computing device with a specific function and limited configuration ability
- Software appliance, software application combined with just enough operating system (JeOS)
- Fire apparatus, a fire engine or fire truck in British English
- In film, a term for latex pieces, such as false ears or other features, used by make-up artists
- Appliance, a British musical group
