SIEL

SIEL may refer to:


 * Societa Industrie Elettroniche (SIEL), an Italian company that made electronic organs and synthesizers in the 1980s
 * Honda Siel Cars India
 * SIEL (Paris Métro), a system that provides the waiting time until the arrival of the next two Paris Métro trains
 * Sovereignty, Identity and Freedoms, a French political party
 * Standard individual export licence which permits a specific list of goods to be exported to a specific destination.