ABSA may refer to:
- ABSA Cargo Airline, a cargo airline
- Absa Group Limited, the largest consumer bank in South Africa
- African Baseball & Softball Association
- Australian Bird Study Association, an ornithological organization
- American Biological Safety Association
- The American Bankers Service Alliance
- Association of Building Sustainability Assessors
- American Board of Surgical Assistants
- Alberta Boilers Safety Association
- Affiliated British Sled Dog Activities