HFD may refer to:

Transportation

Hafizabad railway station Hafizabad Railway Station () is located in Hafizabad city, Hafizabad district of Punjab province of the Pakistan. See also * List of railway stations in Pakistan * Pakistan Railways Pakistan Railways is the state-owned railway operator in ...

, Punjab, Pakistan, station code * Hartford-Brainard Airport, Connecticut, US, IATA code *

Hereford railway station Hereford railway station serves the city of Hereford, in Herefordshire, England. Managed by Transport for Wales, it lies on the Welsh Marches Line, between Leominster and Abergavenny; it is also the western terminus of the Cotswold Line, for s ...

, England, station code *

Hoofddorp railway station Hoofddorp (; ) is the main town of the municipality of Haarlemmermeer, in the province of North Holland, the Netherlands. In 2021, the population was 77,885. The town was founded in 1853, immediately after the Haarlemmermeer had been drained. Hi ...

, Netherlands, station code *

Union Station (Hartford) Hartford Union Station is a railroad station in Hartford, Connecticut, United States on the New Haven–Springfield Line. It is served by Amtrak , , , and intercity rail service, plus CT Rail Hartford Line commuter rail service and CTfastra ...

, Connecticut, US, Amtrak code

Fire departments

Henderson Fire Department The Henderson Fire Department (HFD) is the agency that provides fire protection and emergency medical services for the city of Henderson, the second largest city in Nevada with 336,534 residents spread out over . USAR Task Force Station ...

, Nevada, US *

Honolulu Fire Department The Honolulu Fire Department (HFD) provides fire protection and first responder emergency medical services to the City & County of Honolulu, Hawaii, United States, under the jurisdiction of the Mayor of Honolulu. Founded on December 27, 1850, ...

, Hawaii, US *

Houston Fire Department City of Houston Fire Department (HFD) is the agency that provides fire protection and emergency medical services for the city of Houston, Texas, United States, the fourth largest city in the United States. HFD is responsible for preserving life a ...

, Texas, US *

Hoboken Fire Department The Hoboken Fire Department provides fire protection and first responder emergency medical service to the city of Hoboken, New Jersey. Additionally, all of Hoboken's firehouses, including the Fire Museum, are on the National Register of Historic ...

, New Jersey, US

Other uses

DHS Human Factors and Behavioral Sciences Division The Human Factors and Behavioral Sciences Division (HFD) is a division of the Science and Technology Directorate of the United States Department of Homeland Security. Within the Homeland Security Advanced Research Projects Agency Homeland Secur ...

Half-factorial domain In mathematics, more specifically ring theory, an atomic domain or factorization domain is an integral domain in which every non-zero non-unit can be written in at least one way as a finite product of irreducible elements. Atomic domains are diff ...

, an atomic domain *

Half flux diameter The half flux diameter or HFD is a definition used by astronomers to define the star size in an astronomical image. Mainly due to the seeing, stars are not imaged as a dot but spread out like a Gaussian shape. The half flux diameter defines the d ...

, a measure of star size in astronomical images *

Halfords Halfords Group PLC is a UK retailer of motoring and cycling products and services. Through Halfords Autocentre, they provide vehicle servicing, MOT, maintenance and repairs in the United Kingdom. Halfords Group is listed on the London Stock E ...

, UK retailer, LSE code *

Hardware Freedom Day Hardware Freedom Day is an annual celebration organized by the Digital Freedom Foundation. The goal of Hardware Freedom Day is to celebrate the spirit of open hardware and make more people aware of using and contributing to free and hardware proj ...

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