Look up OH or oh in Wiktionary, the free dictionary.

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

Songs

• " O (Oh!)", 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
• "Oh", by Fugazi from The Argument
• "Oh", by Juliana Hatfield from Made in China
• "Oh!", by Micky Green from White T-Shirt
• "Oh!", by Sleater-Kinney from One Beat
• "Oh", by Spratleys Japs from Pony
• "Oh!", by The Trudy
• "Oh," by Underworld, recorded for the soundtrack to A Life Less Ordinary, 1997

Other media

• Oh! (TV channel), an Australian cable TV channel owned by Optus Television
• Oxygen, an American TV channel formerly called "Oh!"
• Oh, a Boov alien from Home (2015)

People

• Oh (surname), Korean surname romanized as "Oh" or "O"
• Oh (Japanese surname), Japanese surname derived from Wang(王)
• Ou (surname), Chinese and Cantonese surnames pronounced as "Oh" or "O"
• Dennis Oh, Korean actor
• Nadia Oh, English vocalist

Science and technology

Chemistry

• OH, the hydroxy functional group
• OH⁻, hydroxide anion
• ^•OH, hydroxyl radical
• OH, the alcohol class of compounds, that possess a hydroxy functional group

Other uses in science and technology

• OH, prefix of hominid fossils found at Olduvai Gorge
• OH, designation in the Unified Soil Classification System 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

Transportation

• OH, registration prefix for aircraft registered in Finland
• Comair (IATA airline code OH)
• PSA Airlines (IATA airline code OH)
• Observation helicopter, in military abbreviation

Other uses

• Ohio, US (postal abbreviation)
• O.H., post-nominal letters for the Brothers Hospitallers of Saint John of God
• OH, an abbreviation for the Orphic Hymns

See also

• 0H (disambiguation) (zero H)
• H0 (disambiguation)

This disambiguation page lists articles associated with the title Oh.
If an internal link led you here, you may wish to change the link to point directly to the intended article.