Tokyo City Air Terminal (東京シティエアターミナル, Tōkyō shiti ea tāminaru), also known as T-CAT, is a bus terminal for Airport Transport Service, an airport bus operator, in downtown Tokyo, Japan.

The terminal is located in Nihonbashi-Hakozaki-cho, Chuo-ku, beneath Hakozaki Junction, the three-way interchange for Shuto Expressway's Mukojima Route and Fukagawa Route, three blocks southeast of Suitengu shrine.

[3] T-CAT also has eleven restaurants offering Japanese, Chinese and Western cuisine.

[4] A direct underground passageway connects T-CAT with Tokyo Metro at Suitengūmae Station on Hanzomon Line.

The terminal is also a short walk from Exit A1 of Ningyōchō Station on the Tokyo Metro Hibiya Line, Exit A3 of Ningyōchō Station on the Toei Asakusa Line, and Exit 4b of Kayabachō Station on the Tokyo Metro Tōzai Line.