CRTM

CRTM may refer to:
 * 4,4'-Diapophytoene synthase, an enzyme
 * Community Radiative Transfer Model, a fast radiative transfer model
 * Consorcio Regional de Transportes de Madrid, a group of regional transit operators in Madrid, Spain
 * Core Root of Trust Measurement, the measurements of Authenticated Code Module and BIOS code in the Trusted Execution Technology in computing