JNS Views 8 meanings found JNS can refer to a Java‑based network simulator or to low‑level jump instructions in computing, and it is occasionally used as a place name in Greenland or a corporate brand. Miscellaneous Japanese Natural Stones Journal of Neurological Sciences Journal of the Neurological Sciences Regional Narsaq, Greenland Computing Java Network Simulator Jump If No Sign Jump if No Sausage on pizza Business Chic by H I S, Inc.