HW

HW may refer to:

In arts and entertainment

• Homeworld, a computer game in the real-time strategy genre
• Hot Wheels, a toy car and manufactured by Mattel

Businesses, organizations, and schools

• Hartford Whalers, a former professional ice hockey franchise
• Harvard-Westlake, a private college-preparatory school in North Hollywood, California
• Heriot-Watt University, Edinburgh
• Honeywell, a U.S. corporation
• Hutchison Whampoa, a company corporated in Hong Kong and China

In transportation

• The code for the Haridwar Railway Station, Haridwar, India
• Hello (airline) IATA airline designator
• North-Wright Airways IATA airline designator

Other uses

• Halloween
• Hardware
• High water, the time in a tidal system when the tide is highest
• Homework, work for school
• Hotwire (disambiguation)
• Housewife
• George H. W. Bush, former President of the US
• Hwair (ƕ), a Gothic letter