JY

Jy or JY may refer to:

People

 * Jimmy Young (broadcaster) (1921–2016), BBC radio broadcaster
 * James Young (American musician) (born 1949), guitarist for Styx
 * Joey Yung (born 1980), Hong Kong cantopop singer
 * Kang Ji-young (born 1994), South Korean actress and singer

Other uses

 * Air Turks and Caicos, IATA airline designator JY
 * Jansky (symbol Jy), a non-SI unit of spectral flux density
 * Japanese yen, a currency unit
 * Jia Yu Channel, a 24-hour Mandarin subscription channel founded in Malaysia
 * Jesus Youth (symbol Jy), an international missionary movement at the service of the Catholic Church
 * , symbol for the Yamanote Line, a loop line operated by the East Japan Railway Company.