DLD can refer to:
- DLD (software), a library of dynamic linking functions for the C programming language
- Deutsche Linux-Distribution (German Linux Distribution), a Linux distribution produced from 1992 to 1999
- Dihydrolipoamide dehydrogenase
- Digital Life Design, a conference network
- Democratic League of Dardania, a political party in Kosovo
- Data Retention Directive in Norwegian (Datalagringsdirektivet)
- Geilo Airport, Dagali