Carrier has several different meanings:

• in telecommunication, a carrier wave
• in biology, an asymptomatic carrier
• the Carrier tribe, a First Nations tribe living in British Columbia, Canada
• a common carrier, a transport business (shipping or telecom)
• an aircraft carrier
• Willis Carrier, the inventor of air-conditioning
  • Carrier, the company which he founded
• Carrier, a video game for the Sega Dreamcast
• the town of Carrier, Oklahoma
• a unit in the computer game StarCraft, the Protoss Carrier.
• Carrier is the name of an Athabaskan language.