What is "onr"

ONR may refer to:

• Ontario Northland Railway in Ontario, Canada
• Office for Nuclear Regulation in the United Kingdom
• Office of Naval Research of the U.S. Navy
• National Radical Camp (disambiguation) (Obóz Narodowo-Radykalny), several Polish nationalist organisations
• Organisation for National Reconstruction, a defunct political party in Trinidad and Tobago
• Air One Nine, Libya (ICAO airline code)
• Otter Nelson River School, a high school located at Cross Lake, Manitoba, Canada
• ON-Regel, a standard by the Austrian Standards Institute
• Ohio Northern Region, one of the largest regions in BBYO