Ira
- Anastomosis
- Continuity Irish Republican Army
- Eira (Messenia)
- Eira, Messenia
- Hopewell, Red River County, Texas
- I.R.A. (band)
- Indian Rationalist Association
- Indian Reorganization Act
- Indian Rights Association
- Individual retirement account
- Inflation Reduction Act
- Inherited runs allowed
- Initiative for the Resurgence of the Abolitionist Movement
- Insurance Regulatory Authority (Kenya)
- Intercollegiate Rowing Association
- Interim Regional Administration of Tigray
- Internal Revenue Allotment
- International Reading Association
- International Reference Alphabet
- Internet Research Agency
- Inverness Royal Academy
- Ira (Lesbos)
- Ira (Polish band)
- Ira (film)
- Ira (moth)
- Ira (mythology)
- Ira (name)
- Ira (surname)
- Ira Township, Michigan
- Ira!
- Ira, Iowa
- Ira, Mazandaran
- Ira, Missouri
- Ira, New York
- Ira, Republic of Bashkortostan
- Ira, Suwayda
- Ira, Tehran
- Ira, Texas
- Ira, Vermont
- Iran
- Iran Air
- Ire (Iliad)
- Irina
- Irish Republican Army
- Irish Republican Army (1919–1922)
- Irish Republican Army (1922–1969)
- Islamabad Rugby Association
- Islamic Republic of Afghanistan
- Lielirbe
- New IRA
- Official Irish Republican Army
- Provisional Irish Republican Army
- Real Irish Republican Army
- Riva-Agüero Institute
- Íslenskir Radíóamatörar