Look up mouthpiece in Wiktionary, the free dictionary.
Mouthpiece may refer to:
- The part of an object which comes near or in contact with one's mouth or nose during use
- Mouthpiece (smoking pipe) or cigarette holder
- Mouthpiece (telephone handset)
- Mouthpiece (woodwind), a component of a woodwind instrument
- Mouthpiece (brass), a component of a brass instrument
- Mouthpiece (scuba), a component of a scuba diving or industrial breathing set
- Mouthpiece, a device attached to demand end of swimmer's or diver's breathing tube
- Mouthguard, a device protecting the teeth from injury, also known as mouth piece