Hua or HUA may refer to:
- Hua
- Hua (哗), refers to party animal in Shanghainese.
- Hua Party (哗党), the craziest or (HUAest) party organization, which was established in the summer of 2012 in Shanghai.
- Huaxia, a name of China.
- Hua (華) itself may refer to the Chinese people or Chinese civilization.
- Hua (surname), a Chinese surname
- Huá, Chinese etymology of 滑.
- Hua (state), a state in ancient China prior to being destroyed by Qin Dynasty.
- Hua County, Henan, in Anyang, Henan, China
- Hua County, Shaanxi, in Weinan, Shaanxi, China
- Hua County, Guangdong, now Huadu District, in Guangzhou, Guangdong, China
- Mount Hua, a mountain in Shaanxi Province, China
- Uar, the self designation (endonymic ethnicon) used by the Hephthalites.
- Hua people, living in the Eastern Highlands of Papua New Guinea.
- Hua, a name of God meaning "He is" in Hebrew qabalah
- HUA
- Heard Understood Acknowledged, possible origin of hooah, U.S. Army battle cry
- Harkat-ul-Ansar, an Islamic paramilitary organization
- Redstone Army Airfield (IATA: HUA)