RTU

Rtu or RTU may refer to:

In education:
 * Rajasthan Technical University, in Rajasthan, India
 * Riga Technical University, in Riga, Latvia
 * Rizal Technological University, in the Philippines
 * RTU MIREA, Russian Technological University, Moscow

In other uses:
 * Ṛtú, a Sanskrit word referring to a fixed or appointed time
 * Ready to use (Ready-To-Use), used in Medicine, e.g. RTU Suspension for Injection
 * Real Tamale United, a football club based in Tamale, Ghana
 * Recognizable taxonomic unit, used in Parataxonomy
 * Remote terminal unit, a microprocessor controlled electronic device
 * Returned to unit, a British and Canadian military term
 * Road to Ultra, music festival
 * Roof top unit, a commercial air handler that heats and cools air
 * Chilevisión, formerly known as Red de Televisión de la Universidad de Chile