OBR
OBR is an abbreviation for
- Supreme construction management of the Reichsautobahnen , construction management for the Reichsautobahn 1935–1945
- Ocean Beach Railway , a museum railway in New Zealand
- Office for Budget Responsibility , a public body funded by the UK Treasury
- One Billion Rising , a campaign to end violence against women
- Senior building officer , a non-academic or professional title in Germany and Austria