LSO

LSO may refer to:

Computing

• Large segment offload, a technology for reducing CPU overhead
• Local shared object, an HTTP cookie-like data entity used by Adobe Flash Player
• Location search optimization, a web optimization method

Organisations

• LSO (company), a delivery company formerly known as Lonestar Overnight
• Law Society of Ontario, the regulatory body for lawyers in Ontario, Canada (formerly called the Law Society of Upper Canada)
• Limburg Symphony Orchestra or Limburgs Symfonie Orkest, a Dutch orchestra
• London School of Osteopathy, an osteopathic school in London, England
• London Symphony Orchestra, a United Kingdom symphony orchestra

Other uses

• Landing signal officer or landing safety officer on an aircraft carrier
• Lateral superior olive, an auditory nucleus in the brainstem
• Lutetium orthosilicate, an inorganic scintillator
• Landing Signal Officer, a naval aviator
• Lesotho (ISO 3166-1 code)
• Linguistic Sign-Off