CSSA may refer to:

• Cactus and Succulent Society of America
• California State Student Association
• Center for Service & Social Action, furthering the Jesuit mission of educating through service and advocacy
• Chinese Students and Scholars Association, the official organization for overseas Chinese students
• Connecticut State Soccer Association
• Corporación Sudamericana de Servicios Aéreos, an airline merged into Aviación del Litoral Fluvial Argentino
• Crop Science Society of America

• Star of South Africa, Commander (post-nominal letters)
• Comprehensive Social Security Assistance, a welfare programme operated by Social Welfare Department of Hong Kong
• Camp Stanley Storage Activity, operated by Camp Stanley, US

• CSSA Nations Cup, a former football championship

This disambiguation page lists articles associated with the title CSSA.
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