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HR, Hr or hr may refer to:

Arts and media[edit]

Film and television[edit]

  • H.R. Pufnstuf, a children's television series from 1969
  • HR, a 2013 television drama starring Alicia Silverstone
  • HR, a criminal organisation in the American TV series Person of Interest

Other media[edit]

Fictional characters[edit]

  • H. R. Wells, a character from The Flash television series

Business and finance[edit]

Government and politics[edit]



  • H.R. (born 1956), lead singer of American band Bad Brains
  • Himesh Reshammiya (born July, 23, 1973), Indian music director, composer, singer, and actor
  • H. R. Haldeman (1926–1993), White House Chief of Staff to U.S. President Richard Nixon
  • Hrithik Roshan (born 1974), Indian film actor



Science and technology[edit]

Biology and medicine[edit]

  • HR (gene) (Hairless homolog (mouse)), a gene which encodes a protein whose function has been linked to hair growth
  • Haemodynamic response, rapid delivery of blood to active neuronal tissues
  • Heart rate (HR), a measure of the number of heart beats per minute (bpm)
  • Homologous recombination, in genetics, the process in which genetic material is exchanged between two similar or identical strands of DNA
  • Hypersensitive response, a mechanism used by plants to prevent the spread of infection by microbial pathogens
  • Hydroxyethylrutoside, a class of drugs


  • <hr>, an HTML element or HTML Tag, representing a horizontal rule in HTML 4.01, meanwhile a thematic break in HTML5. Tag <hr /> is closed in XHTML, but <hr> having no end in HTML.
  • .hr, Internet country code top-level domain (ccTLD) for Croatia
  • HR (software), a program that automatically forms mathematical theories by searching for sequences of numbers
  • Half Rate (HR or GSM-HR), a speech coding system for GSM developed in the early 1990s

Other uses in science and technology[edit]



See also[edit]