Oi

Oi (also as OI) may refer to:

In biology

• Grey-faced petrel, also known by its Māori name oi
• Orthostatic intolerance, a disorder of the autonomic nervous system
• Osteogenesis imperfecta, a group of genetic bone disorders

In business

• Oi (telecommunications), the largest landline telephone company in Brazil
• Organizational intelligence, in business manage

In linguistics

• Oi (digraph), a Latin-script digraph
• Oi (interjection), an interjection used to get someone's attention, or to express surprise or disapproval
• Oi language, a Mon–Khmer dialect cluster of southern Laos
• Gha, a letter (Ƣ ƣ) erroneously referred to by Unicode as "oi"

In music

• Oi!, a subgenre of punk rock
• "Oi!" (song), a 2002 hit song for British grime music crew More Fire Crew

Organisations

• Oi! (Hong Kong), a visual arts organisation in Hong Kong
• Oi (Indonesia), an Iwan Fals fanbase foundation in Indonesia
• Oriental Institute (disambiguation)
• Orphans International, a global charitable organization that benefits orphans and abandoned children

Other uses

• Oi (general), Goguryeo general
• Japanese cruiser Ōi
• O-I, a Japanese tank design of the Second World War
• Organoid intelligence, a field of study related to computer science and biology
• Object Invasion, an American animated webseries from 2016-2020
• Object Insanity, an Irish animated webseries from 2014-2018
• Operating income

See also

• Ōi (disambiguation), a number of places in Japan and the name of a light cruiser launched in 1920
• Aussie Aussie Aussie, Oi Oi Oi, an Australian chant
• Oi Oi Oi (album), an album by Boys Noize
• Oy (disambiguation)
• Hoy (disambiguation)
• All pages with titles beginning with Oi

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