- DUL stands for Duluth (Amtrak station code; Duluth, MN)
- DUL stands for Dial-up User List
- DUL stands for Documentation Unit Leader (various organizations)
- DUL stands for Dynamic User List
- DUL stands for Drained Upper Limit (soil drainage)
- DUL stands for Dial-Up Line (network access point via dial-up telephone/DSL lines)
- DUL stands for Design Ultimate Load (composite structures)
- DUL stands for Did You Like
- DUL stands for Diffuse Undifferentiated Lymphoma
DUL