NDD

NDD may refer to:
 * non-DAC donor, that is, a donor outside the Development Assistance Committee (DAC)
 * National Direct Dialing, local area code of a phone number
 * Nature deficit disorder
 * Network for Democracy and Development
 * Sumbe Airport
 * Node Deployment Device
 * Neurodevelopmental delay
 * Neurodevelopmental disorder
 * Neurological determination of death