CAID explained

Caid may refer to:

• Qaid (also caid or kaid), various forms of responsible official found in places ranging from the Kingdom of Sicily to rural North Africa
• Caid (sport), a form of football popular in Ireland until the mid-19th century
• The Kingdom of Caid, a regional area of the Society for Creative Anachronism

CAID as an abbreviation may refer to:

• Computer-aided industrial design
• Contemporary Art Institute of Detroit
• Conditional Access Identification
• CAID (technology), a Chinese advertising technology for tracking users