Other
- Accredited Conservator-Restorer, Institute of Conservation, UK, professional qualification
- A Certain Ratio, post-punk band
- Acronym
- Class Rating, an addition to a pilot's license which allows the pilot to serve as pilot-in-command of a particular aircraft class in commercial operations
- Ambitious card routine
- American civil religion
- Arctic Circle Race, a cross country ski race in Sisimiut, Greenland
- Armenia Competitiveness Report
- Assai Copiose Risa (Italian: Very Abundant Laughter)
- Assassin's Creed: Revelations, a 2011 video game.
- Auto Club Revolution, a free to play online racing game and car community.
Read more about this topic: ACR