ABSI stands for;
- ABSI stands for American Business Solutions, Inc. (various locations)
- ABSI stands for Ankle-Brachial Systolic Pressure Index
- ABSi stands for Adelphia Business Solutions (telecommunications)
- ABSI stands for Alpha Broadcast Services International (Adelaide, South Australia, Australia)
- ABSI stands for American Behavioral Studies Institute (Santa Ana, CA)
- ABSI stands for Advanced Building Systems Inc. (Reading, PA)
- ABSI stands for A Better Solution Inc (Venice, FL)
ABSI