CAIS

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
 * Changchun American International School
 * Christian Alliance International School
 * Chinese American International School

Other uses

 * Chemical Agent Identification Set
 * Communications of the Association for Information Systems, an academic journal; See the founding editor Paul Gray
 * Complete androgen insensitivity syndrome
 * Cais (surname)
 * Cais (song) - a song by Milton Nascimento