YT

YT, Yt or yt may refer to:

Media

• YouTube, an American online video platform

People

• Jia Yueting (English nickname "YT", born 1973), Chinese entrepreneur
• Y.T., a character in the novel Snow Crash by Neal Stephenson

Places

• YT, the ISO 3166-1 alpha-2 code for Mayotte
  • .yt, the Internet top-level domain for Mayotte
• Yukon (formerly Yukon Territory) in Canada

Science and technology

• Yt antigen system, a human blood group system
• Yottatesla, an SI unit of magnetic flux density
• Yttrium, a chemical element with the former symbol Yt

Transportation

• Air Togo, IATA airline designator YT
• Yard tug (YT), one of the US Navy hull classification symbols

See also

• Y&T, an American hard rock/heavy metal band