- ABOI stands for American Board of Oral Implantology (est. 1969; Chicago, IL)
- ABOI stands for Astrological Bureau of Ideas (Groton, MA)
- ABOI stands for Association of British Offshore Industries
- ABOI stands for Alt.Best.of.Internet (newsgroup)
- ABOI stands for ABO Blood Group Incompatibility (blood types)
Abbreviations And Their Meaning