Oi

Oi may refer to:

Oi (shogi) (Ōi), one of the seven titles of Japanese professional shogi (board game) tournament
Japanese cruiser Ōi, a WWII era Japanese warship
Oi (telecommunications), the largest landline telephone company in Brazil
Oi (digraph), a digraph used in various languages
Great-winged Petrel, also known by its Māori name oi
Oi (interjection), a British, New Zealand, Irish, Australian slang interjection used to get someone's attention, or to express surprise or disapproval
Oi!, a subgenre of punk rock
Aussie Aussie Aussie, Oi Oi Oi
Mark "Jacko" Jackson, a former Australian rules football playerer, catchphrase "Oi!"
Katsushika Ōi, a Japanese painter and print artist and daughter of Katsushika Hokusai
Oi Oi Oi (album), an album by Boys Noize

OI may refer to:

Oi!, a Portuguese language interjection
Owens-Illinois, a Fortune 500 company, a S&P 500 company
OpenIndiana, a fork (of sorts) of the OpenSolaris operating system
Optical illusion
Orthostatic intolerance, a disorder of the autonomic nervous system
Osteogenesis imperfecta, a genetic bone disorder
Oriental Institute (disambiguation)
Orphans International, a global charitable organization the benefits orphans and abandoned children
Oratorical Interpretation, a forensics category
gha, a letter, misnamed by the ISO as "LATIN LETTER OI", typographically based on Q
O-I, a Japanese tank design of the Second World War
Olympiad in Informatics, or International Olympiad in Informatics, an international programming competition for high school students
Organizational Intelligence
Oxygen Index, the ratio oxygen:carbon used in Van Krevelen diagrams by petroleum geologists for the assessment of kerogen maturity

See also