Oh, OH, or Oh! is an interjection, often proclaiming surprise. It may refer to:

Arts and entertainment

Music

Albums

* ''Oh!'' (Girls' Generation album), 2010 * ''Oh!'' (ScoLoHoFo album), 2003 * ''

OH (ohio) ''OH (ohio)'' is an album by the American band Lambchop (band), Lambchop, released in 2008. Track listing # "Ohio" # "Slipped, Dissolved and Loosed" # "I'm Thinking of a Number (Between 1 and 2)" # "National Talk Like a Pirate Day" # "A Hold of ...

'', by Lambchop, 2008 * ''Oh!'', an EP that came with the preorders of ''Oh! Gravity.'' by Switchfoot, 2006

Songs

* "

O (Oh!) "O (Oh!)" is a song written by Byron Gay and Arnold Johnson and performed by Ted Lewis and His Band. It reached No. 13 on the U.S. pop chart in 1920. Other charting versions * Pee Wee Hunt and His Orchestra released a version of the song which ...

", 1920 by Ted Lewis, 1953 by Pee Wee Hunt * "Oh" (Ciara song), 2005 * "Oh!" (Girls' Generation song), 2010 * "Oh!" (The Linda Lindas song), 2021 * "Oh!" (Pink Lady song), 1981 * "Oh" (Stray Kids song), 2021 * "Oh!", by Boys Noize from '' Oi Oi Oi'' * "Oh!", by The Breeders from '' Pod'' * "Oh", by Dave Matthews from ''

Some Devil ''Some Devil'' is the only solo studio album by musician Dave Matthews. It was released on September 23, 2003 on RCA Records. It has been certified platinum by the Recording Industry Association of America, RIAA, signifying over a million copies ...

'' * "Oh", by Fugazi from ''

The Argument The Argument may refer to: * The Argument (Fugazi album), ''The Argument'' (Fugazi album), 2001 * The Argument (Grant Hart album), 2013 * The Argument (film), a 2020 American film * The Argument (play), a 2016 play by William Boyd * The Argument (Wi ...

'' * "Oh", by Juliana Hatfield from ''

Made in China Made in China or Made in PRC is a country of origin label, often in English, affixed to products wholly or partially made in the People's Republic of China (PRC). The label became prominent in the 1990s, when foreign companies based in the United ...

'' * "Oh!", by

Micky Green Michaela Maree Gehrmann (born 28 June 1984), who performs as Micky Green, is an Australian-born blues and pop singer-songwriter. Green left home at the age of 18 years to work in modelling but has mainly concentrated on her music career. At the ...

from ''White T-Shirt'' * "Oh!", by Sleater-Kinney from ''

One Beat ''One Beat'' is the sixth studio album by the American rock band Sleater-Kinney, released on August 20, 2002, by Kill Rock Stars. It was produced by John Goodmanson and recorded between March and April 2002 at Jackpot! Studio in Portland, Orego ...

'' * "Oh", by Spratleys Japs from ''

Pony A pony is a type of small horse, usually measured under a specified height at maturity. Ponies often have thicker coats, manes and tails, compared to larger horses, and proportionally shorter legs, wider barrels, heavier , thicker necks and s ...

'' * "Oh!", by The Trudy * "Oh," by Underworld, recorded for the soundtrack to

A Life Less Ordinary ''A Life Less Ordinary'' is a 1997 British romantic black comedy film directed by Danny Boyle, written by John Hodge, and starring Ewan McGregor, Cameron Diaz, Holly Hunter, Delroy Lindo, Ian Holm and Dan Hedaya. The plot follows two a ...

, 1997

Other media

Oh! (TV channel) Oh! was an Australian cable TV channel owned by Optus Television. It served as the services's premier general entertainment channel until it was replaced by FOX8 in 2002. Programming was mostly sourced from Warner Brothers Television. After ...

, an Australian cable TV channel owned by Optus Television *

Oxygen Oxygen is a chemical element; it has chemical symbol, symbol O and atomic number 8. It is a member of the chalcogen group (periodic table), group in the periodic table, a highly reactivity (chemistry), reactive nonmetal (chemistry), non ...

, an American TV channel formerly called "Oh!" * Oh, a Boov alien from '' Home (2015)'' * Oh, I See, an Indonesian news magazine on

Nusantara TV PT Nusantara Media Mandiri, commonly known as Nusantara TV (NTV, stylized in all-lowercase), is an Indonesian digital television, digital terrestrial television, terrestrial television network, network based in East Jakarta. It is owned by :id ...

People

Oh (surname) Oh or O is a family name in Korea. It is written using the hanja characters, 吳, 五, 伍, 吾, and 晤. According to the 2015 census in South Korea, there were 763,281 people carrying the O surname. History The earliest ancestor of the Kore ...

, Korean surname romanized as "Oh" or "O" * Oh (Japanese surname), Japanese surname derived from Wang(王) *

Ou (surname) Ou is the pinyin romanization of the Chinese surnames and , which share a common origin with the compound surname Ouyang (), from the ruling family of the State of Yue during the Spring and Autumn period. They are commonly romanized as Au or ...

, Chinese and Cantonese surnames pronounced as "Oh" or "O" *

Dennis Oh Dennis Oh is an American model and K-drama and American actor based in Los Angeles, California. Early life and education Oh majored in photography at the Savannah College of Art and Design. He is an artist whose hobbies include drawing, travel ...

, Korean actor *

Nadia Oh Nadia Georgina Oates (born 26 May 1990) is an English singer, rapper, producer and model. She was featured on Space Cowboy's 2007 single " My Egyptian Lover". She has since released two studio albums—'' Hot Like Wow'' (2008) and ''Colours' ...

, English vocalist

Science and technology

Chemistry

* OH, the hydroxy functional group * OH⁻,

hydroxide Hydroxide is a diatomic anion with chemical formula OH−. It consists of an oxygen and hydrogen atom held together by a single covalent bond, and carries a negative electric charge. It is an important but usually minor constituent of water. It ...

anion * ^•OH,

hydroxyl radical The hydroxyl radical, •HO, is the neutral form of the hydroxide ion (HO–). Hydroxyl radicals are highly reactive and consequently short-lived; however, they form an important part of radical chemistry. Most notably hydroxyl radicals are pr ...

* OH, the

alcohol Alcohol may refer to: Common uses * Alcohol (chemistry), a class of compounds * Ethanol, one of several alcohols, commonly known as alcohol in everyday life ** Alcohol (drug), intoxicant found in alcoholic beverages ** Alcoholic beverage, an alco ...

class of compounds, that possess a hydroxy functional group

Other uses in science and technology

* OH, prefix of hominid fossils found at

Olduvai Gorge The Olduvai Gorge or Oldupai Gorge in Tanzania is one of the most important paleoanthropology, paleoanthropological localities in the world; the many sites exposed by the gorge have proven invaluable in furthering understanding of early human evo ...

* OH, designation in the

Unified Soil Classification System The Unified Soil Classification System (USCS) is a soil classification system used in engineering and geology to describe the texture and grain size of a soil. The classification system can be applied to most unconsolidated materials, and is rep ...

for organic-rich clay or silt of high plasticity * O_h, the point group of octahedral molecular geometry *

Ohnesorge number The Ohnesorge number (Oh) is a dimensionless number that relates the viscous forces to inertial and surface tension forces. The number was defined by Wolfgang von Ohnesorge in his 1936 doctoral thesis. It is defined as: : \mathrm = \frac = \fra ...

, a dimensionless number that relates the viscous forces to inertial and surface tension forces

Transportation

* OH, registration prefix for aircraft registered in Finland *

Comair (United States) Comair was a regional airline in the United States, a wholly owned subsidiary of Delta Air Lines, headquartered at Cincinnati/Northern Kentucky International Airport in Boone County, Kentucky, Boone County, Kentucky, United States. Operating u ...

(1977–2012, IATA airline code OH) *

PSA Airlines PSA Airlines, Inc. is an American regional airline headquartered at Dayton International Airport in Dayton, Ohio. The airline is a wholly owned subsidiary of the American Airlines Group and it is paid by fellow group member American Airlines ...

(1979–present, IATA airline code OH since 2012) *

Observation helicopter A military helicopter is a helicopter that is either specifically designed for or converted for usage by a military. A military helicopter's mission is a function of its design or conversion. The most common use of military helicopters is airlif ...

, in military abbreviation

Other uses

Ohio Ohio ( ) is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders Lake Erie to the north, Pennsylvania to the east, West Virginia to the southeast, Kentucky to the southwest, Indiana to the ...

, US (postal abbreviation) * O.H., post-nominal letters for the

Brothers Hospitallers of Saint John of God The Brothers Hospitallers of Saint John of God, officially the Hospitaller Order of the Brothers of Saint John of God (abbreviated as OH), are a Catholic religious order founded in 1572. In Italian language, Italian they are also known commonly ...

* ''OH'', an abbreviation for the ''

Orphic Hymns The ''Orphic Hymns'' are a collection of eighty-seven ancient Greek hymns addressed to various deities, which were attributed in antiquity to the mythical poet Orpheus. They were composed in Asia Minor (located in modern-day Turkey), most likel ...

'' *

OpenHarmony OpenHarmony (OHOS, OH) is a family of open-source distributed operating systems based on HarmonyOS derived from LiteOS, donated the L0-L2 branch source code by Huawei to the OpenAtom Foundation. Similar to HarmonyOS, the open-source distrib ...