TTR may refer to:
Games Ticket to Ride (board game), a 2004 rail-themed Eurogame Ticket to Ride (video game), its digital adaptations Toontown Rewritten, a fan-made revival of the online role-playing game Toontown Online
Linguistics Translation Terminology Writing (Traduction, terminologie, rédaction), a French-language journal Type-token ratio, a lexical density formula
Transportation Pongtiku Airport, Rantetayo, Sulawesi, Indonesia (by IATA code) Talleyrand Terminal Railroad, Jacksonville, Florida, United States Tai Tong Road stop, an MTR light-rail stop in Hong Kong Toronto Terminals Railway, Canadian operator of the Union Station Rail Corridor
Other uses Relative track and record, an access method in a direct-access storage device Test and Training Range, various U.S. military bombing and testing ranges Tonopah Test Range, a military installation in Nevada, United States Transthyretin, a plasma protein Trans-Tasman Resources, an Australian-owned mining company operating in New Zealand
See also Ticket to Ride (disambiguation)