LPA
- Argentine Patriotic League
- Gran Canaria International Airport
- Helpmann Awards
- Lao People's Army
- Lasting power of attorney
- Law of Property Act 1925
- Liberal Party of Australia
- Libertarian Party of Alabama
- Lincoln Park Academy
- Lipoprotein(a)
- List of United States Navy amphibious warfare ships
- Little People of America
- Local planning authority
- Logic Programming Associates
- London Psychogeographical Association
- Low-pressure area
- Lysophosphatidic acid
- Phenylalanine