SCLS

The acronym SCLS can refer to several things:

In Medicine: In Education: In United States Law:
 * Capillary leak syndrome a rare medical condition where the number and size of the pores in the capillaries are increased which leads to a leakage of fluid from the blood to the interstitial fluid, resulting in dangerously low blood pressure hypotension, edema and multiple organ failure due to limited perfusion
 * The South Central Library System a consortium spanning 53 Public Libraries in South Central Wisconsin.
 * Service Contract Labor Standards is a set of labor law regulations for companies receiving federal contracts; see McNamara–O'Hara Service Contract Act.