• Otu, Siga, Japan
• Otú Airport
  Otú Airport
  Otú Airport is an airport located in the village of Otú and serving the town of Remedios, a municipality of the Antioquia Department in Colombia. It is also known as Alberto Jaramillo Sanchez Airport....
  
  , an airport in the village of Otú and serving the town of Remedios, Colombia
• Operational taxonomic unit
• Operational Training Unit
• Optical channel Transport Unit, a layer of the Optical Transport Network
  Optical Transport Network
  ITU-T defines an Optical Transport Network as a set of Optical Network Elements connected by optical fibre links, able to provide functionality of transport, multiplexing, switching, management, supervision and survivability of optical channels carrying client signals...
  
  

See also

• Otu Jeremi
  Otu Jeremi
  Otu Jeremi is a town in Ughelli South LGA of Delta State, Nigeria. The Nigeria Gas Plant is located here.it is the headquarters of Ughelli South LGA...
  
  , a town in Ughelli South LGA of Delta State, Nigeria
• Otu barrage, a masonry weir on the Ghaggar-Hakra river in Haryana state of India