CSIS

CSIS may refer to:

* Canadian Security Intelligence Service, Canada's primary national intelligence service * Center for Strategic and International Studies, a think tank in the US * Centre for Strategic and International Studies, a think tank in Jakarta, Indonesia * Civil Service Islamic Society, a British non-political, voluntary society * Container Shipping Information Service, a trade group for the container shipping industry * China seismic intensity scale, a national standard in the People's Republic of China Provided by Wikipedia