UIP

UIP may refer to:
 * uIP (micro IP), an embedded TCP/IP protocol stack intended for small 8-bit and 16-bit microcontrollers
 * United Independent Party, a political party based in Massachusetts, United States
 * United International Pictures, a film distributor
 * Universal Immunization Programme, a vaccination program launched by the Government of India in 1985
 * Universidad Interamericana de Panamá, a school in Panama run by Laureate Education
 * University of Illinois Press, an American university press
 * Usual interstitial pneumonia, a form of lung disease characterized by progressive scarring of both lungs
 * Quimper–Cornouaille Airport's IATA code
 * Fine Gael, a political party in Ireland historically referred to as the “United Ireland Party”