Nandamuri Balakrishna (born 10 June 1960), also known by the mononym Balakrishna or NBK, is an Indian actor, producer and politician working predominantly in Telugu cinema. He made his screen debut as a child in Tatamma Kala (1974) and a decade later moved to leading roles in Sahasame Jeevitham (1984) and Mangammagari Manavadu (1984).

In the late 1980s and 1990s, Balakrishna established himself as a mainstream star with Muvva Gopaludu (1987), the science fiction film Aditya 369 (1991), the fantasy adventure Bhairava Dweepam (1994) and Bobbili Simham (1994). For his role in Narasimha Naidu (2001) he won the Nandi Award for Best Actor, having previously received the award for Mangammagari Manavadu (1984). He received a third Nandi Award for Best Actor for the action drama Simha (2010), and then a fourth win for Legend (2014).

Among his notable releases in subsequent years are the historical drama Gautamiputra Satakarni (2017), the two-part biographical film N.T.R: Kathanayakudu (2019) and N.T.R: Mahanayakudu (2019), Akhanda (2021), Veera Simha Reddy (2023), Bhagavanth Kesari (2023) and Daaku Maharaaj (2025).