OOT

OOT or Oot may refer to:

• The Legend of Zelda: Ocarina of Time, a 1998 action-adventure game
• Onotoa Airport, Kiribati, IATA airport code OOT
• Object-oriented technology, a computer software development paradigm
• Oot, one of the homogeneous groups divided from Zangskari language
• Oxidative Onset Temperature/Time, an approach to differential scanning calorimetry for polymers