The TJ Liner (TJライナー, Tī Jei Rainā) is a limited-stop "Home Liner"-style service to and from Ikebukuro Station in Tokyo on the Tobu Tojo Line operated by the private railway operator Tobu Railway in Japan since June 2008.

[1] Seats are not reserved, but the supplementary tickets indicate whether passengers should ride in the front or rear five cars of the train.

[1] TJ Liner services are operated by a fleet of six 50090 series 10-car electric multiple units (EMUs).

[4] Some trains are sent to Ikebukuro from Shinrinkōen as limited-stop Rapid Express services, which also operate with seats in the forward-facing configuration.

[2] Since March 2016, the automated on-board passenger announcements in Japanese use the voice of TV presenter Tomomi Kuno [ja].

[9] On 5 November 2009, a ceremony was held at Ikebukuro Station to celebrate the one millionth passenger to travel on the TJ Liner service.

[10] From the start of the revised timetable on 5 March 2011, the number of TJ Liner services operating on weekday evenings was increased from six to nine.

[13] From the start of the revised timetable on 16 March 2013, an additional TJ Liner service was added on weekday evenings, departing from Ikebukuro at 21:30, and two more TJ Liner services were added on weekends, departing from Ikebukuro at 18:30 and 19:30.

[16] From July 2014, an additional late-night TJ Liner service was introduced, operating on Friday nights only, departing Ikebukuro at 23:20 for Shinrinkoen.