NTD

NTD may refer to:

Biology and medicine

 * N-terminal domain, a region at one end of a protein
 * Neglected tropical diseases, a group of endemic infectious diseases that primarily affect the poor
 * Neon tetra disease, a disease affecting tropical aquarium fish
 * Neural tube defect, a group of medical conditions

Television broadcasters

 * NTD (Australian TV station)
 * New Tang Dynasty Television

Technology

 * Network Termination Device, a telecommunications device
 * Neutron transmutation doping, a method to make semiconductors
 * Nintendo Technology Development, a subsidiary of Nintendo located in Redmond, Washington, U.S.
 * Notice and take down, removal by Internet hosts of allegedly illegal material

Other uses

 * National Theatre of the Deaf, a touring theatre company in the United States
 * New Era for Democracy, a political party in Burkina Faso
 * New Taiwan dollar, the currency of Taiwan