Ha

Ha may mean Hectare (ha), SI (metric system) unit of surface area
The ISO 639 alpha-2 language code for the widely-spoken African Hausa language

The all-uppercase HA may refer to: The Highways Agency, an executive agency, part of the Department for Transport in the United Kingdom
The Ha! comedy channel, one of the precursors to Comedy Central
The British Rail pre-TOPS classification for twenty-four electric locomotives, later known as British Rail Class 71
The Highways Agency, an executive agency, part of the Department for Transport in England
Haiti (FIPS 10-4 country code)
Hawaiian Airlines (IATA airline designator)
Hearst-Argyle, a media company in the United States
Hells Angels, a motorcycle gang
hemagglutinin or hemagglutination assay, in virology
Heritage Auction Galleries, a prominent auction house, also known as Heritage Auctions.
High availability
Home agent, a computer router
Home automation
Homeowners association
Hong Kong Housing Authority
Hospital Authority, responsible for all public hospitals and institutes in Hong Kong
Hospital Apprentice, a rank of the U.S. Navy
Housing association
HA postcode area, in Britain
Hyaluronan, a molecule found in the body
Hydroxylapatite, a mineral
Head Automatica, an American powerpop band
HA (video format)
Headache (medical)

Ha can mean Ha (ethnic group), a people in Tanzania
Hāʼ, a letter of Arabic alphabet (ﻩ)
Kha, a letter of Cyrillic alphabet
Ha (kana), romanisation of the Japanese kana は and ハ
Ha, Bhutan
Ha Gorge in Crete, Greece
Ha (mythology), a minor deity in Egyptian mythology
the former symbol for the element dubnium (first called hahnium)
Hå, a municipality in Norway
"Ha" (song), a single by Juvenile
Ha (album), an album by Talvin Singh
Ha-, Hebrew prefix the
hA can mean: Hectoampere, an SI unit of electric current (equal to 100 A)

See also

Haha, disambiguation

Translation

The word "Ha" occurs as such in the following languages: English, Indonesian, Swahili, Latvian, Dutch, Finnish, Vietnamese.

Translation(s) in other languages: Danish: HA, German: HA, Spanish: Ha (desambiguación), Esperanto: Ha (apartigilo), French: HA, Korean: HA, Italian: HA, Lithuanian: HA, Japanese: HA, Norwegian (Bokmål): HA, Polish: HA, Portuguese: Ha (desambiguação), Ripuarian: HA (Watt ėßß datt?), Chinese: HA.