SPY may refer to:
SPDR S&P 500 Trust ETF, NYSE symbol Mowag Spy, a military vehicle SPY ACT (Securely Protect Yourself Against Cyber Trespass), a 2005 US proposed cyber-security regulation The IATA airport code for San Pédro Airport, Ivory Coastyobi
See also Spy (disambiguation) AN/SPY-1 and AN/SPY-3, U.S. Navy radars