NTK

NTK could refer to:

Naam Tamilar Katchi, political party in Tamil Nadu, India
Národní technická knihovna, library in Prague, Czech Republic
Need to Know (newsletter)
Newton Toolkit, for the Newton (platform) PDA
Ngau Tau Kok station, Hong Kong, MTR station code
Nakkilan Tennisklubi, a floorball team located in Nakkila, Finland. (Known as NTK Nakkila)
Neural tangent kernel, a mathematical tool to describe the training of artificial neural networks
NTK, a Niterra brand of ceramic sensors and equipment