Abo or ABO may refer to:
Places
- Abo (historic place), an archaeological site in New Mexico, United States
- Åbo, the original Swedish name for Turku, a city in Finland
- Abo, Missouri, an unincorporated community
- Abo, New Mexico, an unincorporated community in the United States
- Abo Canyon, also called Abo Pass, a mountain pass in central New Mexico
- Aboh, also known as Abo or Ibo, a town in Nigeria's Delta State
People
- Abo (name), an Arabic or Hebrew male name
- Abo of Tiflis (c. 756–786), an Arab East Orthodox Catholic saint
- Abo, an offensive reference to Aboriginal Australians
Languages
- Abõ or Abon, a Cameroonian language (ISO 639-3: abo)
- Bankon language or Abo, a Cameroonian language
Math and science
- ABO blood group system, a human blood type and blood group system
- ABO (gene), a gene in humans which encodes the ABO blood group system transferase enzyme
- Adaptive Binary Optimization, an image compression algorithm
Organizations
- American Board of Ophthalmology, a professional organization for ophthalmologists
- American Board of Opticianry, a professional organization for opticians
- American Board of Orthodontics, a professional organization for orthodontists
- Antikythira Bird Observatory in Greece
Transportation
- Aboisso Airport (IATA: ABO) in Côte d'Ivoire
- Antonio (Nery) Juarbe Pol Airport (FAA: ABO) in Arecibo, Puerto Rico
See also
- Treaty of Åbo
- Abbo (disambiguation)
- Abo Call
- Astro Box Office
- Omegaverse, a genre of fiction also known as A/B/O