{{Wiktionary|abo|Abo|ABO|Åbo|abò}} '''Abo''' or '''ABO''' may refer to: {{TOC right}}
==Aviation== * 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
==Entertainment== * Ābo, the Japanese name of Ekans, a fictional species in the ''Pokémon'' franchise * Omegaverse, a genre of fiction also known as A/B/O
==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
==People== * Abo (name), an Arabic or Hebrew male name * Abo of Tiflis ({{circa|lk=no|756}}–786), an Arab East Orthodox Catholic saint * Abo, a derogatory term for Aboriginal Australians
==Places== * 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
==See also== * Treaty of Åbo * Abbo (disambiguation) * ''Abo Call'', the first Aboriginal-focused magazine in Australia, published 1938
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