LS
- .ls
- 7400 series
- Angular momentum coupling
- Chevrolet
- County Laois
- GM LS engine
- Jet2.com
- LS 90
- LS Group
- LS postcode area
- La Salle (disambiguation)
- LaVeyan Satanism
- Land Surveyor
- Latvian lats
- Leading Seaman
- Least squares
- Legius syndrome
- Lesotho
- Lewis and Short
- Lexus LS
- Liberal Democratic Party (Serbia, 1989)
- Liberal Party of Croatia
- Liberals of Serbia
- Liberals' Movement (Lithuania)
- Lichen sclerosus
- Light-second
- Lincoln LS
- Lincoln-Sudbury Regional High School
- Link-state routing protocol
- Linnean Society of London
- Lisburn Standard
- Live sand
- Local Supercluster
- Logistics Specialist
- Lok Sabha
- Long snapper
- Lost Souls (online game)
- Loyola Schools
- Löwenheim–Skolem theorem
- Pulmonary surfactant
- Rolladen-Schneider Flugzeugbau GmbH
- Seal (contract law)
- Sudanese pound
- Syrian pound
- System Center Configuration Manager