Knjaževsko-srpski teatar (Serbian: Књажевско-српски театар) is the oldest Serbian theatre. It is based in Kragujevac, the fourth largest city of Serbia. The theatre was founded in 1835 by Miloš Obrenović, Prince of Serbia. In the time when theatre was founded, City of Kragujevac was first capital of modern independent Serbia.
The first General Manager of the Knjaževsko-srpski theatre was Joakim Vujić.
The building which the theatre currently occupies was opened at the beginning of the 20th century.
