ABP
- 1904 United States presidential election
- AB Pacense
- ABP Group
- ABP News
- Abellen language
- Actin-binding protein
- Adblock Plus
- Afghan Border Police
- Alaskan Bush People
- Alternating bit protocol
- Alton B. Parker
- Amagi Brilliant Park
- Ambulatory blood pressure
- American Board of Pediatrics
- An Coimisiún Pleanála
- Anandabazar Patrika
- Androgen-binding protein
- Animal by-products
- Apostolic Bible Polyglot
- Archbishop
- Associated Baptist Press
- Associated British Ports
- Assumption-based planning
- Athlete biological passport
- Atkamba Airport
- Au Bon Pain
- Democratic Party (United States)
- Stichting Pensioenfonds ABP