- DYB stands for Dress Your Body (Switzerland)
- DYB stands for Dixie Youth Baseball (est. 1955)
- DYB stands for Destroy Your Business (est. 1999; General Electric)
- DYB stands for Do Your Best (Cub Scouts of Canada)
- DYB stands for Decatur Yellow Bikes, Inc. (Georgia)
- DYB stands for Design Your Body
DYB