YP

YP may refer to:
 * YP (rapper), (born Pio Misa), Australian rapper and part of Australian drill and rap group Onefour
 * A US Navy hull classification symbol: Patrol craft (YP)
 * Yellow Pages (computing), former name of the Network Information Service protocol
 * Yersinia pestis, a bacterium that causes plague and the "Black Death" epidemic
 * YP.com, an online local business directory
 * Yurt Partisi, the Homeland Party in Turkey
 * YP-, prefix for Yepp player names, such as the YP-55
 * Yttrium phosphide, a chemical compound
 * Yukon Party, a centre-right political party in Yukon, Canada
 * Y P Desert, a desert in Idaho and Nevada in the United States
 * The YP Foundation, a charitable trust for young people in India
 * The Yorkshire Post, an English newspaper