IHR is an abbreviation for:

  • Institute for Historical Review, a pseudo-scientific think tank
  • Integrated primary and junior high school, a school form, see Integrated Comprehensive School
  • International Health Regulations, the International Health Regulations adopted by the WHO, see World Health Organization # regulatory tasks
  • Internet college radio, a portal for media activities in Baden-Württemberg universities
  • Institute of Horticultural Research, a former British research institute for plant breeding

It stands for:

  • A personal pronoun in the plural in the nominative
  • Disambiguation
  • Abbreviation