YK

YK or yk may refer to:

Places

• Yellowknife, Northwest Territories, the capital of the Northwest Territories of Canada
• Yogyakarta, a city in Indonesia
  • Yogyakarta railway station, a railway station in Yogyakarta (station code YK)
• Yukon, a territory in Canada (with any casing, within internet TLD .CA, and as YK for an unofficial postal abbreviation)

In business

• IATA airline codes:
  • YK, former code for Cyprus Turkish Airlines (defunct since June 2010)
  • Avia Traffic Company of Kyrgyzstan (starting between June 2010 and end of 2015)
• Yugen kaisha, a form of business organization in Japan

Other uses

• Yom Kippur, a Jewish Day of Atonement
• Yottakelvin, a measure of temperature equal to 1 septillion kelvin, or 1000000000000000000000000K