LHR is the IATA code for Heathrow Airport, England, UK.
LHR may also refer to:
Science and technology Lite Hash Rate, an anti-cryptocurrency-mining technology in the 2021 GPU GeForce 30 series Long homologous repeats, genetic sequences Lung-to-head ratio, a factor in the treatment of congenital diaphragmatic hernia Luteinizing hormone receptor, a transmembrane receptor in reproductive tissues
Other uses Light Horse Regiment, former name of the armoured regiment of the South African Army
See also L&HR (disambiguation)