TTNS

TTNS may refer to:

* "Take the Next Step", a marketing phrase
* Technology transfer nodes, part of a European Commission-sponsored economic development effort
* "Telling the New Story", an educational reform movement
* Thermal transient shell
* The Times Network for Schools, a Viewdata system sponsored by "The Times" that linked resources for education
* TOW thermal night sight
* Toxic thyroid nodules
* Trade Team Nova Scotia, a Canadian economic development agency
* Trouble ticket notification system