LH
- Bristol LH
- Chrysler LH platform
- County Louth
- Korea Land and Housing Corporation
- L'Hospitalet de Llobregat
- LH (DOS command)
- LH (complexity)
- LabCorp
- Late Helladic
- Laurel and Hardy
- Le Havre
- Leasehold
- Left-handed
- Lethbridge Hurricanes
- Letterhead
- Lewis Hamilton
- Lifehacker
- Lincoln Highway
- Linear hashing
- Literary and Historical Society (University College Dublin)
- Little Hide
- Locks Heath
- Love Hina
- Lovehammers
- Lufthansa
- Luteinizing hormone
- The Lurking Horror