- TTN
- Titan Corporation (Business » NYSE Symbols)* Tamil Television Network (Community » Media)* Transient Tachypnea of the Newborn (Medical » Physiology)* Testing Techniques Newsletter (Academic & Science » Electronics)* Testing Techniques Newsletter (Community » Media)* Texas Traffic Net (Governmental » Transportation)* Tape Trader Network (Community » Media)* Trenton, New Jersey USA (Regional » Airport Codes)* Thallic Nitrate, Trihydrate (Academic & Science » Chemistry)* The Ttn News (Community » Media)
Abbreviations dictionary. 2012.