ABSA may refer to:
- ABSA Cargo Airline, a cargo airline
- Absa Group Limited, a pan-African financial services conglomerate that includes:
- Absa Bank Limited, one of the largest banks in South Africa, a subsidiary of Absa Group Limited
- Absa Bank Botswana
- Absa Bank Ghana
- Absa Bank Kenya
- Absa Bank Mauritius
- Absa Bank Mozambique
- Absa Bank Seychelles
- Absa Bank Uganda
- Absa Bank Zambia
- Absa Bank Tanzania
- African Baseball & Softball Association
- Alberta Boilers Safety Association
- American Biological Safety Association
- Association of British Secretaries in America
- Australian Bird Study Association, an ornithological organization
- Absa, a character in Rivals of Aether