Sils

Sils or SILS may refer to:

Places

 * Sils, Girona, a municipality in the comarca of Selva in Catalonia, Spain
 * Lake Sils (Catalonia), an ancient lake near Sils, Catalonia, Spain
 * Lake Sils, a lake in the Upper Engadine in the Grisons, Switzerland

Other

 * Single Incision Laparoscopic Surgery
 * UMass SILS, the Summer Institute in Leadership in Sustainability at the University of Massachusetts Amherst