CAIS may refer to:
Organisations Canadian Academy of Independent Scholars Canadian Accredited Independent Schools Canadian Association for Information Science Canadian Association for Irish Studies Capitol Area Internet Service, an early ISP servicing the Washington, DC area until 2001; See Erol's Internet Center for AI Safety Changchun American International School Christian Alliance International School Chinese American International School
Other uses Cais (surname) Complete androgen insensitivity syndrome Chemical Agent Identification Set Cais (song) - a song by Milton Nascimento Communications of the Association for Information Systems, an academic journal; See the founding editor Paul Gray
See also Central American Integration System (Sistema de la Integración Centroamericana, or SICA) CAI (disambiguation) Calcium–aluminium-rich inclusion (CAI)