LHA may refer to:
- LHA (file format), a freeware compression utility and associated file format
- LHA (for "Landing Helicopter Assault"), US Navy hull classification symbol for general purpose amphibious assault ships of the Tarawa class
- Local Housing Allowance, welfare benefit in the UK to help tenants with low incomes pay their rent
- Black Forest Airport
- Livonia Hockey Association, amateur hockey league in Livonia, Michigan
- Lha, a letter of Cyrillic alphabet
- Lateral Hypothalamic Area, a part of the brain that has been implicated in the control of feeding behavior.