OAI

Personal name

• Oai was the common nickname of Saigō-no-Tsubone (1552–1589), a figure in the history of feudal Japan.

Organizations

OAI, as an initialism, may refer to:

• Ohio Aerospace Institute, a space grant college
• Omni Air International, a charter airline
• Open Archives Initiative
• Open Applications Interface, a computer-telephony integration interface from NEC Corporation.
• Oracle Academic Initiative
• The Osteoarthritis Initiative, a National Institutes of Health-sponsored health study
• Object Action Interface