AYS

AYS or Ays may refer to:


 * About Your Sexuality, was a comprehensive sex education course from the Unitarian Universalist Association
 * Ay dynasty, a ruling lineage in south India
 * The National Rail code for Aylesbury railway station in Aylesbury, United Kingdom
 * The Eyeish people, also known as Ays, a Native American tribe from Texas
 * Waycross-Ware County Airport, IATA code AYS, airport in Georgia, United States
 * Amaysim Australia Ltd, a company listed on the Australian Securities Exchange