ODI may refer to:

• Object Design, Incorporated, a defunct database software company
• ODI (think tank), a UK think tank on international development
• One Day International, a cricket match format
• Open Data Institute, a UK not-for-profit company promoting open data
• Open Data-Link Interface, a software interface
• Oracle Data Integrator, software used in data transformation
• Oral direct inhibitor, a type of anticoagulant
• Oswestry Disability Index, a questionnaire for rating the severity of back pain
• Outcome-Driven Innovation
• Outward direct investment; see Internationalization of the renminbi

Odi may refer to:

• Odi, Bayelsa State, a town in Nigeria
  • Odi massacre, a military attack on the town
• Odi Stadium, a stadium in South Africa

• Odis (disambiguation)