HPL

HPL may refer to:

Businesses

 * Haldia Petrochemicals Limited, an Indian petrochemical company
 * Hutchison Property Limited, now Hutchison Whampoa Property, a property developer in Hong Kong
 * Hindustan Prefab Limited, a project of the Indian Ministry of Housing and Urban Poverty Alleviation

Libraries

 * City of Hialeah Public Library, in Florida, United States
 * Hamilton Public Library (Ontario), in Canada
 * Hartford Public Library, in Connecticut, United States
 * Hershey Public Library, in Pennsylvania, United States
 * Houston Public Library, in Texas, United States

Other uses

 * HPL (programming language), for HP programmable calculators
 * HPL Engine, a series of game engines
 * HPL Engine 1
 * HPL Engine 2
 * HPL Engine 3
 * Hartlepool railway station, England, station code
 * Hermanos de Pistoleros Latinos, a Hispanic-American prison gang
 * High-pressure laminate, a composite material
 * Hockey Premier League, a proposed international league
 * Human placental lactogen (hPL), a hormone
 * High-performance low-power, a TSMC semiconductor wafer type
 * HPL (benchmark), an implementation of the LINPACK computing benchmark
 * H. P. Lovecraft (1890–1937), American author