Laja may refer to:
Bolivia Laja Municipality, a subdivision of La Paz Department Laja, Bolivia, a town in the municipality
Chile Laja, Chile, a town in Bío-Bío Province Laja Lake Laja Falls Isla del Laja
Panama La Laja, a corregimiento in Las Tablas District, Los Santos Province, Panama
Syria Lajat, also spelled Laja, a geographic region
See also Laja River (disambiguation)