TTR

TTR may refer to:

Games

 * Ticket to Ride (board game), a 2004 rail-themed Eurogame
 * Ticket to Ride (video game), its 2008 digital adaptation
 * Toontown Rewritten, a fan-made revival of the online role-playing game Toontown Online

Linguistics

 * Type-token ratio, a lexical density formula
 * Translation Terminology Writing (Traduction, terminologie, rédaction), a French-language journal

Transportation

 * Talleyrand Terminal Railroad, Jacksonville, Florida, United States
 * Tai Tong Road stop, an MTR light-rail stop in Hong Kong
 * Pongtiku Airport, Rantetayo, Sulawesi, Indonesia (by IATA code)
 * Toronto Terminals Railway, Canadian operator of the Union Station Rail Corridor

Other uses

 * Tonopah Test Range, a military installation in Nevada, United States
 * Transthyretin, a plasma protein
 * Relative track and record, an access method in a direct-access storage device