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 the tenth studio album by American band Lambchop, released on October 6, 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 H ...

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

The Argument ''The Argument'' is the sixth and most recent studio album from the post-hardcore band Fugazi released on October 16, 2001, through Dischord Records. It was recorded at Don Zientara's Inner Ear Studios in Arlington, VA and the Dischord House bet ...

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

Made in China Made in China, Product of China or sometimes Made in PRC is a country of origin label affixed to products manufactured in the People's Republic of China. The ''Made in China'' label is the most recognizable label in the world today, due t ...

'' * "Oh!", by Micky Green 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 ('' Equus ferus caballus''). Depending on the context, a pony may be a horse that is under an approximate or exact height at the withers, or a small horse with a specific conformation and temperament. Compared ...

'' * "Oh!", by

The Trudy The Trudy are an English post-punk band formed in Kingston upon Thames in 1979 by former Cardiacs members Peter Tagg (drums) and Ralph Cade (vocals and keyboards) along with Derek Tagg (guitar) and Sue Smallwood (bass). In 1980 The Trudy, with ...

* "Oh," by

Underworld The underworld, also known as the netherworld or hell, is the supernatural world of the dead in various religious traditions and myths, located below the world of the living. Chthonic is the technical adjective for things of the underwor ...

, recorded for the soundtrack to

A Life Less Ordinary ''A Life Less Ordinary'' is a 1997 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 angels (Hunte ...

, 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 t ...

, an Australian cable TV channel owned by Optus Television *

Oxygen Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as ...

, an American TV channel formerly called "Oh!" * Oh, a Boov alien from '' Home (2015)''

People

Oh (surname) O or Oh is a family name In some cultures, a surname, family name, or last name is the portion of one's personal name that indicates one's family, tribe or community. Practices vary by culture. The family name may be placed at either the ...

, 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 Ao ...

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

Dennis Oh Dennis Oh is an American model and actor based in South Korea. Early life and education Oh majored in photography at the Savannah College of Art and Design. He is an artist whose hobbies include drawing, traveling, and photography. Career O ...

, Korean actor *

Nadia Oh Nadia Georgina Oates (born 26 May 1990) is a former 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 ''Colo ...

, English vocalist

Science and technology

Chemistry

* OH,

hydroxyl In chemistry, a hydroxy or hydroxyl group is a functional group with the chemical formula and composed of one oxygen atom covalently bonded to one hydrogen atom. In organic chemistry, alcohols and carboxylic acids contain one or more hydro ...

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. I ...

* ^•OH,

hydroxyl radical The hydroxyl radical is the diatomic molecule . The hydroxyl radical is very stable as a dilute gas, but it decays very rapidly in the condensed phase. It is pervasive in some situations. Most notably the hydroxyl radicals are produced from the ...

* OH, the functional alcohol group in a molecule

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 paleoanthropological localities in the world; the many sites exposed by the gorge have proven invaluable in furthering understanding of early human evolution. A steep-si ...

* 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 repre ...

for organic-rich clay or silt of high plasticity * O_h, the point group of octahedral molecular geometry * Ohnesorge number, a dimensionless number that relates the viscous forces to inertial and surface tension forces *

Oral hygiene Oral hygiene is the practice of keeping one's mouth clean and free of disease and other problems (e.g. bad breath) by regular brushing of the teeth (dental hygiene) and cleaning between the teeth. It is important that oral hygiene be carried out ...

Transportation

* OH, registration prefix for aircraft registered in Finland * Comair (IATA airline code OH) *

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

(IATA airline code OH) *

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

, in military abbreviation

Other uses

Ohio Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated. The sta ...

, 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 O.H.), are a Catholic religious order founded in 1572. In Italian they are also known commonly as the Fatebenef ...

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