SY

SY may refer to:

• Steam yacht
• Sy, an abbreviation for security
• The Office of Security (SY), the former name of the U.S. State Department's Diplomatic Security Service
• The IATA code for Sun Country Airlines
• Syria, ISO 3166-1 country code
  • .sy, the country code top level domain (ccTLD) for Syria
• the United Kingdom postal code area SY (Shrewsbury area)
• Sy, Ardennes, a commune in France
• SY Telecom, a hands free and earphone manufacturer
• The NYSE symbol for Sybase
• Sonic Youth, an American rock band

People

• Baba Sy, a Senegalese draughts player
• Chan Sy, a Cambodian politician
• Frédéric Sy, a French astronomer
• Henry Sy, a Filipino businessman
• Moussa Sy, a Guinean football player
• Ousmane Sy, a Malian politician
• Sy Liebergot, a retired NASA flight controller
• Sy Syms (1926-2009), an American businessman
• Sy Smith, a American R&B/soul singer.

Fictional characters

• Sy Snootles, a Star Wars character

Places

• Sy, Mali