Lia or LIA may refer to:
Places Lia, Iran, a village in Dashtabi-ye Sharqi Rural District, Dashtabi District, Buin Zahra County, Qazvin Province, Iran Lia, Norway, a village in Sør-Fron municipality in Innlandet county, Norway LIA, the IATA code for Liangping Airport Lija, a small village in the Central Region of Malta
Organisations Laser Institute of America, international society for laser applications and safety Lead Industries Association, a defunct industry trade group Libyan Investment Authority London Irish Amateur, an English Rugby Union team Long Island Association, a business lobby or coalition founded in the 1920s Love In Action, former name of the Christian ex-gay organization Restoration Path
Science and technology Language Independent Arithmetic, a series of standards on computer arithmetic Late Iron Age, an archaeological period Little Ice Age, a period of regional cooling between the 14th and 19th centuries Lock-in amplifier, a type of amplifier
Other uses Lia, a feminine given name (including a list of people with the name) Lia (food), a rice-based dish in Orissa, India Línea Internacional Aérea, a defunct Ecuadorian airline
See also Lias (disambiguation)