Abo

Abo or ABO may refer to:

• ABO, FAA airport code for Antonio (Nery) Juarbe Pol Airport in Arecibo, Puerto Rico
• ABO, IATA airport code for Aboisso Airport in Comoé District, Ivory Coast

• Ābo, the Japanese name of Ekans, a fictional species in the Pokémon franchise
• Omegaverse, a genre of fiction also known as A/B/O

• Abõ or Abon, a Cameroonian language (ISO 639-3: abo)
• Bankon language or Abo, a Cameroonian language

• 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

• 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

• Abo (name), an Arabic or Hebrew male name
• Abo of Tiflis (–786), an Arab East Orthodox Catholic saint
• Abo, a derogatory term for Aboriginal Australians

• Abo (historic place), an archaeological site in New Mexico, United States
• Åbo, the 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

• Treaty of Åbo
• Abbo (disambiguation)
• Abo Call, the first Aboriginal-focused magazine in Australia, published 1938