RBI most often refers to:

• Reserve Bank of India
• Run batted in

RBI may also refer to:

• Radio Berlin International
• Raiffeisen Bank International
• Reed Business Information
• Restaurant Brands International
• Ruđer Bošković Institute

• Reactive business intelligence
• Relative bearing indicator
• Reviving Baseball in Inner Cities
• Risk-based inspection
• Rubidium iodide

• R.B.I. Baseball (baseball video game series)