WRS

WRS may refer to:

• War reserve stock, warfighting material held in storage to be used if needed in wartime
• 53d Weather Reconnaissance Squadron, also known as Hurricane Hunters
• Western Rail Switching, a former railroad in the United States
• Wind River Systems, a former embedded software company, now part of Intel
• Worker Registration Scheme, a registration scheme for foreign workers in the United Kingdom
• World Radio Switzerland, an English-language national public radio station in Switzerland
• World record size, referring to the largest or smallest known examples of mollusc shells

In medicine:

• Wolcott-Rallison syndrome