Otu
Otu or OTU may refer to: == Places == 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 == People with the name == Michael Otu (1925–2006), senior commander in the Ghana Air Force Idara Otu (born 1987), Nigerian sprinter == Other uses == 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.