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

See also