The New National Theatre, Tokyo is Japan's first and foremost national centre for the performing arts, including opera, ballet, contemporary dance and drama. It is located in the Shinjuku area of Tokyo. The centre has been praised for its architecture and state-of-the-art modern theatre facilities, which are considered among the best in the world. 

The construction of the NNTT was completed in February 1997, with the Tokyo Opera City Tower connected to the theatre. Its first public performances took place in October of that year.

Besides the public performances, various enterprises are undertaken, such as the young artist training programs (for ballet, opera, and theatre), theatre rental for other performing arts groups, performing arts-related exhibitions, public usage of its video library and book library, public performances for children and young students, backstage tours, and most importantly, international exchanges for performing arts events, etc. Moreover, The Stage Set & Design Centre (located in Choshi city, Chiba Prefecture), stores and exhibits previously-used stage scenery and costumes.

The arts management of NNTT, including the enterprises in above, is commissioned to New National Theatre Foundation (NNTF) from the independent administrative institution, known as The Japan Arts Council. NNTT is managed by several trust funds, government grants, admission revenues, and private donations from many supporting companies.

The New National Theatre Tokyo building contains three main theatres: The Opera House (1814 seats, also know as the Opera Palace); the Playhouse (1038 seats) and the Pit (468 seats max)

To introduce Japanese-related works into the operatic world, the NNTO has embarked on producing works such as Shuzenji Monogatari, composed by Osamu Shimizu (June 2009), and Ikebe Shinichiro's Rokumeikan (June, 2010).