NSDP

NSDP may refer to:


 * Irish Nazi Party (NSDP-AO), see Adolf Mahr
 * National Secular Democratic Party, a political party in Lebanon
 * National Solidarity and Development Party, a political organization in Burma
 * National Space Development Program (Philippines)
 * Net state domestic product, used in relation to calculate the GDP per capita in India
 * Netgear Switch Discovery Protocol, a vendor-specific management protocol
 * Nevada State Democratic Party, an affiliate of the Nevada Democratic Party
 * New Social Democratic Party, in the Republic of North Macedonia
 * Nationwide Social Democratic Party, in the Republic of Kazakhstan