WHA may refer to:
Government
- World Health Assembly, the meetings of the World Health Organization (WHO)
- World Health Academy, international non-governmental organization specializing in global health
- Bureau of Western Hemisphere Affairs, within the U.S. Department of State
Sport
- World Hockey Association, a defunct major professional hockey league active from 1972 to 1979
- World Hockey Association (proposed), organization that controlled WHA Hockey interests between 2004-2008
- WHA Junior West Hockey League, a defunct Junior A Hockey league based out of the British Columbia/Washington area associated with the proposed WHA
- World Hockey Association 2, a defunct minor professional hockey league, tiered under the proposed WHA
Education and academia
- World History Association, academic organization
- Wallace Hall Academy, a secondary school in Thornhill, Dumfries and Galloway
Travel
- West Houston Airport, a privately owned, public use airport in Harris County, Texas.
- Whampoa station, MTR station code WHA
- Wuhan railway station, China Railway pinyin code WHA
Media
- WHA (AM), a radio station (970 AM) licensed to Madison, Wisconsin, United States
- WHA-TV, a television station (channel 21 analog/20 digital) licensed to Madison, Wisconsin, United States
Other
- Tungsten Heavy Alloy, any of various alloys of tungsten (wolfram) used for their high density in applications such as kinetic energy penetrators, counterbalancers, and ballast.