OTS

OTS or OTs is an acronym or nickname. Ots is a name.

Business

 * Ocean Therapy Solutions, U.S. company making centrifuge pumps for oceanic oil spill cleanup
 * Operator Training Simulator, a simulation platform for industrial operator training
 * "Opportunity to see", a measure of the penetration of advertising

Entertainment

 * Orchestra at Temple Square, an LDS orchestra located in Salt Lake City
 * Over the shoulder shot, a film technique

Government

 * Office of Tax Simplification, a United Kingdom Treasury tax office
 * Office of the Technical Services, or Technical Services Staff, a division of the Central Intelligence Agency
 * Office of Thrift Supervision, a U.S. Treasury Department agency
 * Office of Transport Security (Australia)
 * Organization of Turkic States, international organization comprising prominent independent Turkic countries

Military

 * Air Force Officer Training School, a U.S. Air Force training center
 * Officers' Training School RAAF, a Royal Australian Air Force training center
 * Officers Training School, Bahtoo, a Myanmar army training centre

Science

 * Octadecyltrichlorosilane, a chemical forming self-assembled monolayers
 * Orbital Test Satellite, a European Space Agency program
 * Organization for Tropical Studies, a U.S.-based group of biological research stations in Costa Rica
 * TsO (tosylate), the anion of p-toluenesulfonic acid, a tosyl compound

Technology

 * OpenTimestamps, a cryptographic timestamping standard

Religion

 * Orthodox Theological Seminary, Kottayam, a seminary under the Indian Orthodox Church

Ots

 * Georg Ots (1920–1975), Estonian musician
 * MS Georg Ots, a ferry named for Georg Ots
 * Otš, Tatar-language name of the Izh River in Tatarstan, Russia

Other uses

 * Order of the Solar Temple, a French esoteric cult
 * Ohr Torah Stone institutions
 * OTS, IATA code for Anacortes Airport in Anacortes, Washington