LNO

LNO may refer to:

• Laona and Northern Railway, Laona, Wisconsin, US
• Leonora Airport (IATA airport code LNO), Western Australia
• Liaison officer, a person that liaises between two organizations to communicate and coordinate their activities
• Linux Native Oberon, a version of the Oberon operating system
• Loop nest optimization, a method for optimising source code
• A member of the Order of the Polar Star (Swedish: Ledamot av Nordstjärneorden)