ICDD

ICDD may refer to:
 * International Centre for Diffraction Data, a nonprofit scientific organization
 * Imperial Circus Dead Decadence, a Japanese symphonic black metal band
 * Intellectual capital due diligence, part of operational due diligence
 * International Center for Development and Decent Work, part of the University of Kassel
 * ICD-D, self-optimising production systems in Integrative Production Technology for High-Wage Countries
 * Institute for Civic Discourse and Democracy, an interdisciplinary, non-partisan organization formed by Kansas State University in 2004