LSO

LSO may refer to:

Internet

• Location search optimization, a Web Optimization Method

Computers

• Large segment offload, a technology for reducing CPU overhead
• Local Shared Object, a HTTP cookie-like data entity used by Adobe Flash Player

Organisations

• Limburg Symphony Orchestra or Limburgs Symfonie Orkest, a Dutch orchestra
• London School of Osteopathy
• London Symphony Orchestra, a United Kingdom symphony orchestra
• Lovaniensis Scientificus Ordo, a student and alumni corporation from Faculty of Science of the Université catholique de Louvain in Belgium.

Science

• Lateral superior olive, an auditory nucleus in the brainstem
• Lutetium orthosilicate, an inorganic scintillator

Other

• Landing Signal Officer