TTN
The abbreviation TTN stands for:
- a gene that codes for the protein titin
- the Institute of Technology-Theology-Natural Sciences at the Ludwig Maximilians University in Munich
- The Things Network - a globally networked IT group founded in Amsterdam that is building a local Internet of Things on the Lora standard
- Transient tachypnea of the newborn - a breathing disorder in newborns
- the International Airport Code of Trenton, New Jersey