The Tokyo Metropolitan Symphony Orchestra (東京都交響楽団, Tōkyo-to Kōkyō Gakudan), also known as Tokyō (都響), is one of the representative symphony orchestras of Japan.

Traditionally, the Orchestra performs the works of Gustav Mahler as an important part of their repertoire.

Hiroshi Wakasugi, Eliahu Inbal and Gary Bertini have performed all the symphonies of Mahler with the orchestra.

The Orchestra has received much international acclaim through overseas performances in Europe, North America and Asia.

In November 2015, They brought a tour in Europe under the baton of Kazushi Ono, which was highly acclaimed.