ALI may refer to:

• Acer Laboratories Incorporated
• Adult Learning Inspectorate
• Albion (Amtrak station), Michigan, United States; Amtrak station code ALI.
• Alice International Airport, Texas, United States, from its IATA airport code
• American Law Institute
• Artificial Language Intelligence

Ali ibn Abi Talib (‘Alī ibn Abī Tālib) (Thirteenth of Rajab, 24 BH – Twenty-first of Ramadan, 40 AH) (approximately: March 17 599 or 600  - February 28 661) was the cousin, son-in-law and one of the Ahl al-Bayt of the Islamic prophet Muhammad  Shi'a Muslims glorify him as the first Imam and consider him and his descendants as the rightful successors to Muhammad who are the only legitimate religious and political leaders of the Muslim community and Sunni Muslims revere him as the fourth and final Rightly Guided Caliph, reigning from 656 to 661. This disagreement resulted in the only major split in Islam, into the Sunni and Shi'ite branches.

Alì is a comune (municipality) in the Province of Messina in the Italian region Sicily, located about 180 km east of Palermo and about 20 km southwest of Messina. As of 31 December 2004, it had a population of 900 and an area of 16.7 km².

Acer Laboratories Incorporated (Acer Labs Inc, ALi) is a major designer and manufacturer of integrated circuits for the personal computer and embedded systems markets. President: Teddy Lu. A subsidiary of the Acer group. Part of ALi was separated as ULi Electronics Inc. since June 2003. ULi was acquired by NVIDIA in 2006 for $52 million .

Onela, Proto-Norse *Anula (diminutive with l-suffix to a name starting with *Anu-, or directly of an apellative *anuz, 'ancestor'), was according to Beowulf a Swedish  king during the first half the 6th century. He was the son of Ongentheow and the brother of Ohthere. He usurped the Swedish throne but was killed by his nephew Eadgils, who won by hiring foreign assistance.