DUSD(SP) March 26, 2020 by staff2 What is the full meaning of DUSD(SP)? What does DUSD(SP) stand for? DUSD(SP) stands for Deputy Under Secretary of Defense (Security Policy) Popular Abbreviations Meaning CAAAD DMTR YSN DESPORT DARCOM DFQC CaptGen CACCLW DONRE DGOF Search for: