SLU may refer to:
Universities St. Lawrence University, Canton, New York, US Saint Louis University (Philippines), Baguio City, Benguet Saint Louis University (United States), St. Louis, Missouri, US Shenyang Ligong University, in Shenyang, Liaoning, China Sveriges Lantbruksuniversitet (Swedish University of Agricultural Sciences), Uppsala
Places George F. L. Charles Airport, Castries, Saint Lucia, IATA code Siu Lun stop, Hong Kong, MTR station code South Lake Union, Seattle Sulu, Philippines, ISO provincial code
Other Special Liaison Unit, delivering WWII Ultra intelligence Schedule loss of use Sociedad de la responsabilidad limitada unipersonal, a Spanish single-person limited liability company Sociedad de la responsabilidad limitada unipersonal, a Spanish single-person limited liability company The State Public Officials' Labor Union is a South Korean trade union representing public officials employed by central government ministries, agencies and commissions.