Ain (disambiguation)

Ain is a département of France.

Ain or AIN may also refer to:

Language

 * Ain (letter) or ʿayin, a letter in Semitic scripts such as Arabic and Hebrew
 * Ainu language (ISO-639 alpha-3 code AIN)

Medical

 * Anal intraepithelial neoplasia, a precursor to anal cancer
 * Anterior interosseous nerve serving the forearm
 * Acute interstitial nephritis, nephritis affecting the interstitium of the kidneys

Given name

 * Ain (given name), a common Estonian masculine given name.

Surname

 * Gregory Ain (1908–1988), American architect
 * Kenneth B. Ain, American endocrinologist and author

Fictional

 * Ain (mythology), an Irish mythological figure

Places

 * Ain (Bible), a biblical city
 * ‘Ain Dawwah, one of the springs of Wadi Bani Khalid, Oman
 * Ain (river), a river in eastern France
 * Al Ain, a city in the United Arab Emirates
 * Ain, Iran, a village in Qazvin Province, Iran
 * Aín, a town in eastern Spain
 * Ain, Lucknow, a village in Uttar Pradesh, India
 * El Ain (disambiguation), several places

Culture

 * Ain (film), a Malayalam-language Indian film
 * Autonomous Individuals Network, formerly known as Thee Temple ov Psychick Youth

Sports

 * Al Ain Club, a football club in the United Arab Emirates
 * Individual Neutral Athletes at the 2024 Summer Olympics, IOC code AIN

Business

 * Albany International, an American industrial goods company whose stock trades under the AIN ticker symbol
 * Advanced Intelligent Network in mobile telecoms
 * Aviation International News, an aviation media
 * American Independent Network, a TV network
 * Aintree railway station, Liverpool, England (code: AIN)
 * Advanced Intelligent Network (AIN) – Variant of Intelligent Network, telecommunications network architecture

Science

 * Aluminium nitride
 * Epsilon Tauri or Ain, an orange giant star