ABS
- A.B.'s
- AB (disambiguation)
- ABS (TV station)
- ABS (satellite operator)
- ABS Building Society
- ABS Capital Partners
- ABS FC
- ABS Free Dish
- ABS Global
- ABS network
- ABS-CBN
- ABS-CBN Corporation
- ABS-CBN Corporation
- Abdominal muscles
- Abs (Yemen)
- Abs (surname)
- Abs Denham
- Abs district
- Absolute value
- Abu Simbel Airport
- Abz Love
- Acciaierie Bertoli Safau
- Acrylonitrile butadiene styrene
- Advanced British Standard
- Aerial base station
- Akita Broadcasting System
- Alternative Bank Schweiz
- Amalgamated Broadcasting System
- Ambonese Malay
- American Bach Soloists
- American Bible Society
- American Bladesmith Society
- American Boy Scouts
- American Bureau of Shipping
- Amniotic band syndrome
- Ankaferd BloodStopper
- Anti-lock braking system
- Antigua Broadcasting Service
- Aqueous biphasic system
- Arch Build System
- Archbold Biological Station
- Asset-backed security
- Association of Broadcasting Staff
- Aston Business School
- Australian Bureau of Statistics
- Auto-brewery syndrome
- Automated Ball-Strike System
- Automatic block signaling
- Cis-abienol synthase
- Nagoya Protocol on Access and Benefit Sharing
- Rectus abdominis muscle