HIA may refer to:
Airports Hamad International Airport, in Doha, Qatar Harrisburg International Airport, in Pennsylvania, United States Huai'an Lianshui Airport (IATA: HIA), in Jiangsu Province, China
Organizations 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 Hoonah Indian Association, a federally recognized Native American tribe in Alaska Housing Industry Association, an Australian trade organization Northern Ireland Historical Institutional Abuse Inquiry or HIA Inquiry
Other uses 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 Hoover Institution Archives (HIA) Lamang language, ISO 639-3 code