CSSD

CSSD may refer to:

Groups, organizations

Royal Central School of Speech and Drama, London, England, UK
Calgary Catholic School District, Alberta, Canada
Department of Children, Seniors and Social Development (Newfoundland and Labrador), child protection agency in Newfoundland, Canada
Center for the Study of Social Difference, Columbia Graduate School of Arts and Sciences, The Earth Institute
Consultative Subcommittee on Surplus Disposal (CSSD), part of the U.N. Food and Agriculture Organization
Club Atlético Sansinena Social y Deportivo (C. S. S. D.), a soccer club in General Daniel Cerri, Bahía Blanca Partido, Buenos Aires Province, Argentina

Czech Social Democratic Party (CSSD, Czech: Česká strana sociálně demokratická, ČSSD), a social-democratic political party of Czechia
ČSSD – Czech Sovereignty of Social Democracy (CSSD, Czech: Česká suverenita sociální demokracie, ČSSD), a nationalist political party of Czechia
Czechoslovak Social Democratic Party (CSSD, Českoslovanská sociálně demokratická stranu dělnická, ČSSD), a political party of the former country of Czechoslovakia

Central sterile services department, an integrated place in health-care facilities that performs sterilization of medical devices
Combat Service Support Detachment; see Glossary of military abbreviations

Chief of the Security Police and SD (‹See Tfd›German: Chef der Sicherheitspolizei und des SD; CSSD}; see Glossary of Nazi Germany
Cloneproof Schwartz Sequential Dropping, a single-winner election method
Computer Supported Spiritual Development, a field of study related to computer-supported collaboration