Ail

Ail or AIL may refer to:


 * Illness, a state of poor health
 * Ail (Sailor Moon), a character in the Sailor Moon anime series
 * Acceptance in lieu, an arrangement in the UK for accepting works of art etc. in lieu of tax
 * Agilus, a Frankish abbot and saint
 * Automotive Industries Ltd., a motor vehicle manufacturer of Israel
 * American Income Life Insurance Company, a life insurance company in America
 * Ail, a rare name for garlic (ail is French for garlic)
 * All-Ireland League (rugby union)
 * Aimele language, of Papua New Guinea (language code "ail")
 * Artificial Intelligence Laboratory (disambiguation), various research institutes
 * Accademia Italiana di Lingua, Italian language and culture association
 * Army Institute of Law, an Indian law school
 * Animation International Ltd.
 * Miles Sound System, formerly known as Audio Interface Library, a sound software development kit for video games