DTD
- AN/CYZ-10
- DTD (TV station)
- Danube–Tisa–Danube Canal
- December to Dismember
- Dekoratie voor Trouwe Dienst
- Delta Tau Delta
- Desktop Tower Defense
- Developmental topographical disorientation
- Developmental trauma disorder
- Diastrophic dysplasia
- Direct-to-disk recording
- Document type definition
- Dopamine transporter deficiency syndrome
- Dust-to-Digital
- Extended Display Identification Data