CHR or chr may refer to: Organisations Canadians for Health Research, a national not-for-profit organisation Centre for Human Rights, an organisation promoting human rights in Africa Christ Church Secondary School, a government-aided school in Woodlands, Singapore Commission on Human Rights (Philippines), an independent constitutional office

Science and technology .CHR, a stroke file format in the Borland Graphics Interface Chromosome, a DNA molecule with genetic material Constraint Handling Rules, a computer programming language

Other uses chr, the code for Cherokee language in ISO 639-2 and ISO 639-3 CHR, the Index Herbariorum code for the Allan Herbarium Canadian Historical Review, a scholarly journal Châteauroux-Centre "Marcel Dassault" Airport, a French airport (IATA code: CHR) Chatham House Rule, whereby information from a discussion can be used but the source not named Christmas Island, ITU code Contemporary hit radio, a radio format playing current popular music Toyota C-HR, a subcompact crossover SUV