HIA

• Hamad International Airport, in Doha, Qatar
• Harrisburg International Airport, in Pennsylvania, United States
• Huai'an Lianshui Airport (IATA: HIA), in Jiangsu Province, China

• Hauppauge Industrial Association, an American trade organization
• Health Initiative of the Americas, an advocacy group in California
• Hemp Industries Association, a North American trade organization
• Housing Industry Association, an Australian trade organization
• Northern Ireland Historical Institutional Abuse Inquiry or HIA Inquiry

• Hampton-in-Arden railway station, England, station code
• Health impact assessment
• Health Insurance Associate, a designation from America's Health Insurance Plans.
• Hendrik-Ido-Ambacht, town in the Netherlands
• Herzberg Institute of Astrophysics
• Hia (magazine), an Arabic women's magazine
• Higher Intelligence Agency, a British electronic music project
• Highlands and Islands Alliance, a defunct Scottish political party
• Lamang language, ISO 639-3 code

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