Haya

• 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

Haya is a female given name or surname.

The name Haya (Arabic: هيا hayā) in Arabic is a female given name which characterizes an action to "call (request, appeal, announce, proclaim) from long distance, remote or afar".

• 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 Kaspi, Israeli mathematician
• 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

• Hidaj, also written as Hayā, a city in Iran
• M'Haya, Meknès Prefecture, Fès-Meknès, Morocco

• 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, a people of 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
• Haya (Arabic: هيا) is an old name that means beautiful.