Otu

Otu or OTU may refer to: * Otu: ** Otu, Iran, a village in Mazandaran Province, Iran ** Otu, Siga, Japan ** Otú Airport, an airport in the village of Otú and serving the town of Remedios, Colombia * OTU: ** Ontario Tech University, a postsecondary institution in Ontario, Canada ** Operational taxonomic unit, in biology ** Operational Training Unit (Royal Air Force) ** Optical channel Transport Unit, a layer of the Optical Transport Network ** Oxygen toxicity unit, a measure of exposure to a toxic concentration of oxygen in breathing gas. Provided by Wikipedia