ASA

ASA as an abbreviation or initialism may refer to:

Event

 * ASA Conference, the Annual Meeting of the American Society of Anesthesiologists

Organizations

 * American Society of Anesthesiologists


 * Advertising Standards Authority (disambiguation)


 * Aid to Southeast Asia, a non-governmental organization


 * Airline Superintendents Association of Trinidad & Tobago

Sport

 * Adult Soccer Association, in the U.S.


 * Agremiação Sportiva Arapiraquense, Brazilian soccer club

Science and medicine

 * Acetylsalicylic acid, a very common pain reliever, often referred to as aspirin


 * ASA physical status classification system, rating of patients undergoing anesthesia

Technology

 * Cisco adaptive security appliance, a popular product/technique used in VLAN networks