Posted in Engineering, Government & Military, Internet Slang, Organizations, Science DSIR stands for Department of Scientific and Industrial Research (various countries) DSIR stands for Division of Services and Intervention Research (US NIH) DSIR stands for Defected Stepped-Impedance Resonator (electrical engineering) DSIR stands for Designer of Small Interfering RNA (bioinformatics) DSIR stands for Dance Self-Instruction Record DSIR