LIA

LIA may refer to:

• The United States Army Logistics Innovation Agency
• Laser Institute of America, international society for laser applications and safety
• Little Ice Age, a period of cooling between the 14th and 19th centuries
• Love In Action, a Christian ex-gay organization
• Language Independent Arithmetic
• Logan International Airport
• Luang Prabang International Airport
• London Irish Amateur, an English Rugby Union team
• Long Island Association, a business lobby or coalition founded in the 1920s
• Libyan Investment Authority
• Lia, Malta, a town in Malta
• Lia (name) (includes a list or people with this name)