Otta

See also the disambiguation page for Ota

Otta may refer to:

• A preliminary name of the yotta SI unit prefix.
• In Norse mythology, Hildisvini, also known as "Otta the Simple", who was Freya's lover.
• Otta, Norway, a Norwegian town in Gudbrandsdal.
  • The Otta River in Norway.
  • Otta seal, a type of road surface invented in this part of Norway
• An alternative spelling of Ota, Nigeria, a city in Ogun State, Nigeria
• Otta (weapon), a curved stick used in the Indian martial art of Kalarippayattu.
• On the Turning Away, a song by Pink Floyd.