As a word

The ai is a three-toed sloth of the genus Bradypus.

In Japanese and Mandarin Chinese (and many other Chinese dialects), ai is the most common romanization of the character for love, 愛.

As a name

The name Ai may refer to:

• Ai , a chimpanzee who has participated in experiments in animal cognition at Kyoto University
• Ai, an American poet born in 1947.
• Ay (also spelled Ai), a pharaoh of Ancient Egypt.
• Ai, a place mentioned in the Bible, which is probably identical to the archaeological site of Et-Tell.
• Ái, in the story of Ríg in Norse mythology was husband of Edda and putative ancestor of the thralls or serfs.
• Aoi Mac Ollamain (often abbreviated as Ai), the Celtic god of poetry.

As an abbreviation

The abbreviation A.I., AI or sometimes Ai may stand for:

• artificial intelligence
• A.I., a 2001 film directed by Steven Spielberg.
• ad interim
• artificial insemination
• air interdiction
• Amnesty International
• Anguilla (ISO 3166-1 alpha-2 country code and Internet TLD)
• Aortic insufficiency
• Appenzell Innerrhoden, a Swiss canton
• American Idol
• aromatase inhibitor
• Australian Idol
• The Art Institutes
• the Artificial Intelligence album series by Warp Records.
• Allen Iverson, an NBA basketball player
• the IATA code for Air India