DDY July 13, 2023 by staff2 DDY stands for Decatur-Dekalb YMCA (Young Men’s Christian Association; Decatur, GA) DDY stands for Defining Diabetes in Youth (Wake Forest University) DDY stands for Devlet Demir Yollarý (Turkey) DDY stands for Don’t Defeat Yourself Popular Abbreviations Meaning DROS YSCA DFEZ ACD-MPV DTEDG YCMC AGWVA ACHM1 Q4E ACRPH Search for: ALSO SEE: ACHF