Haya
Haya may refer to:
Biology
- Haya (dinosaur), a genus of basal ornithopod dinosaur that lived during the Late Cretaceous from Mongolia
 - Haya (plant), a genus of plants in the family Caryophyllaceae
 - Haya de Herguijuela (Spanish: beech of Herguijela), a solitary specimen of European beech growing near the town of Herguijuela de la Sierra, Spain
 - Fagus mexicana, or haya, a species of beech
 - Myrica faya, or haya, a species of Myrica
 
People
- Chaya (Hebrew given name): 
- Haya Harareet (1931–2021), Israeli actress
 - Haya Kaspi, Israeli mathematician
 
 - Haya bint Hussein (born 1974), former wife of Sheikh Mohammed bin Rashid Al Maktoum ruler of Dubai and daughter of King Hussein of Jordan
 - Haya bint Saad Al Sudairi (1913–2003), wife of Ibn Saud, founder of Saudi Arabia
 - Víctor Raúl Haya de la Torre (1895–1979), Peruvian politician
 - William II de Haya (12th century), a Norman knight who is considered to be the progenitor of the Scottish Clan Hay
 
Places
- Hidaj, also written as Hayā, a city in Iran
 - M'Haya, Meknès Prefecture, Fès-Meknès, Morocco
 - Haya River (Kanagawa), a river in Kanagawa, Japan
 - Hayya, Sudan (also Haya), a village in Sudan
 
Other uses
- Haya (god), in ancient Mesopotamian religion
 - Haya (Islam), an Islamic term for modesty
 - La Haya, Spanish name for The Hague, in particular seen in references to Hague Conventions
 - Haya Party (Arabic: حزب الحياة; Life Party), an Egyptian political party
 - Haya people, people of the (Haya Tribe), indigenous people of Western Lake Victoria in Tanzania 
- Haya language, the language of the Haya people
 
 - Haya Station, a railway station in Tanabe, Wakayama Prefecture, Japan
 - Hay'a tradition, in Islamic astronomy