LSN

LSN may refer to:

• Large-scale NAT in computer networking
• Law Society of Nunavut
• Learning and Skills Network, a former UK organisation
• Lenguaje de Signos Nicaragüense, Nicaraguan Sign Language
• Livingston North railway station, Scotland; National Rail station code
• Log sequence number in a transaction log
• London News Network (also known as "London Sports Network/LSN"), defunct UK television production company
• Los Banos Municipal Airport, California, US, IATA code