YDB
| Acronym | Definition |
|---|---|
| YDB | Younger Dryas Boundary (hypothesis) |
| YDB | Yucky Discolored Box Syndrome (Adobe InDesign problem) |
| YDB | Yokohama Dena Baystars (Japanese baseball team) |
| YDB | You Deserve Better |
| YDB | Yeah da Boys |
| YDB | Youth Design Boston (summer internship and mentoring program; Boston, MA) |
| YDB | You Dumb Bastard |
| YDB | Yeast Dextrose Broth (microbiology) |
| YDB | Yeat da Bun (commonly used in the town of Newburyport, MA) |
| YDB | Yield Difference Bonding |