LDU

LDU may refer to:

Politics

• Alliance of Independents (Template:Langx), a 1936–1999 political party in Switzerland
• Lahu Democratic Union, a political and insurgent group in Myanmar
• Liberal and Democratic Union, a 1906–1910 South Australian political party
• National Self-Government of Germans in Hungary (Template:Langx)

Science and mathematics

• Land disposal unit, a term in bioremediation
• LDU decomposition, a factorization of matrices found in linear algebra
• Linear Drive Unit, a type of orbital replacement unit used on the International Space Station

Other uses

• Lahad Datu Airport (IATA code), Sabah, Malaysia
• Lawrence Debate Union, the official debate team of the University of Vermont
• Liga Deportiva Universitaria (disambiguation), several Ecuadorian football clubs
• Local Delivery Unit, last three digits of a Canadian postal code
• Luke Davies-Uniacke (born 1999), Australian rules footballer