ALA is a three-letter abbreviation with multiple meanings, as described below:

• American Library Association
• Alpha-linolenic acid, an omega-3 fatty acid
• Alpha lipoic acid, a nutritional supplement with anti-oxidant properties, and a chelator of mercury and arsenic.
• The ISO 3-letter country code for the Åland Islands
• Animal language acquisition
• American Legion Auxiliary
• Arab Liberation Army
• Association for Laboratory Automation
• A List Apart, a web professional webzine.

ALA