OTU

AcronymDefinition
OTUOperational Training Unit
OTUOperational Taxonomic Unit
OTUOxygen Toxicity Unit (scuba diving)
OTUOptical Transport Unit (IEEE)
OTUOne-Time Use (disposable)
OTUOver to You
OTUOxygen Tolerance Unit
OTUOffice of Technology Utilization
OTUOceania Taekwondo Union
OTUOptical Translator Unit (Lucent)
OTUOverrating the Underrated (music website; UK)
OTUOnce-Through Utility (boiler type)
OTUOutput Terminal Unit
OTUOperating Time Update
OTUOutcome Tracking Unit
OTUOccupational Therapy Unit
OTUOrganizational Taxonomic Unit
OTUOld Town Underground (Michigan)