KY

KY or Ky may refer to:

• Kentucky
• County Kerry, a county of Ireland
• Kirkcaldy, a town and former royal burgh in Fife, Scotland
• Cayman Islands's ISO two-letter country code
  • .ky, its top-level domain
• Kyrgyz language's ISO 639 alpha-2 code
• Air São Tomé and Príncipe's IATA airline designator
• K-Y Jelly, a brand of personal lubricant
• Kvalificerad Yrkesutbildning, Swedish Qualified Vocational Education