OT

OT or Ot may refer to:

Arts and entertainment

 * OT (band), a Serbian pop/rock band
 * Ot, stage name of Anupong Prathompatama, a member of the Thai rock band Carabao
 * Operation Transformation (TV series), an Irish health and fitness programme
 * OT: Our Town, a 2002 documentary film about a high school in Compton, California that stages Thornton Wilder's Our Town
 * Operación Triunfo (Spanish TV series), a Spanish reality television talent show
 * Ot, the title character of ''Ot el bruixot, a Spanish comic strip
 * Ot, one of the two main characters of Ot en Sien, a Dutch children's book series

Businesses and organizations

 * Oakville Transit, the bus company serving Oakville, Ontario, Canada
 * Obsession Telescopes, an American telescope maker
 * Organisation Todt, a civil and military engineering group of Nazi Germany
 * Oyu Tolgoi, a mine in Mongolia

Religion

 * Old Testament, the first part of the Christian Bible
 * Operating Thetan, a spiritual state in Scientology
 * Ot Ene, the Mongolian goddess of marriage

Medicine

 * Occupational therapy
 * Occupational therapist
 * Oxytocin, a mammalian hormone

Other uses in science and technology

 * Oblivious transfer, a type of cryptography protocol
 * Operational Technology, hardware/software technology dedicated to physical assets in an enterprise
 * Operational transformation, an optimistic concurrency control method for group editing
 * Optimality Theory, a linguistic model
 * Oxygenated treatment, used to reduce corrosion in a boiler

People

 * Ot of Urgell (c. 1065–1122), Catholic saint and bishop of Urgell
 * Ot de Montcada, 11th century Catalan troubadour
 * Ot Pi Isern (fl. 1988–?), Spanish bike-trials rider
 * Ot Louw (1946–2021), Dutch film editor
 * Oswald Tschirtner (1920–2007), Austrian artist also known as O.T.

Acronym

 * Offensive tackle, either of two football positions
 * Overtime (sports), a sports game past regulation because of a tie game
 * Off topic
 * Overtime, a designation indicating working past normal work hours

Other uses

 * Ot (Cyrillic) (Ѿ, ѿ), a letter of the early Cyrillic alphabet
 * The OT, a television postgame show of NFL on Fox
 * Oakville Trafalgar High School, Oakville, Ontario, Canada
 * Otmoor or Ot Moor, an area of wetland and wet grassland in Oxfordshire, England
 * Aeropelican Air Services, IATA airline designator OT
 * O-T map, a type of medieval world map