Cisco (fish) Coregonus artedi, or any of many related fish coinage around Coregonus (Salmonidae) Cisco Systems, a computer networking company CISCO Security Private Limited, a security company within Singapore Abbreviation of Commercial and Industrial Security Corporation, a statutory board around Singapore An abbreviation for the title of the city of San Francisco, California, USA Cisco ("wine"), a "fortified wine" or "bum wine" that has a syrupy sweet taste, and 17.5% alcohol content The Cisco Kid, a fictional character created by O. Henry World War 2 Undersea USS Cisco Cisco, Utah, a ghosttown in eastern Utah