Nawazuddin Siddiqui (; born 19 May 1974) is an Indian actor known for his work in Hindi cinema. He is best known for his roles in The Lunchbox (2013), Manto (2018), and Raman Raghav 2.0. As many as eight films in which he features have been screened at the Cannes Film Festival.

Early life
Siddiqui was born on 19 May 1974 in Budhana, a small town in Muzaffarnagar district, Uttar Pradesh, India, into a zamindari Muslim family of Lambardars. He is the eldest of eight siblings. He spent most of his youth in Uttarakhand.

He graduated with a Bachelor of Science in chemistry from Gurukul Kangri Vishwavidyalaya, Haridwar. Following this, he worked as a chemist in Vadodara for a year, before leaving for Delhi in search of a new job. Once in Delhi, he was instantly drawn to acting after watching a play. In pursuit of securing admission to the National School of Drama (NSD) in New Delhi, he acted in over ten plays with a group of friends, including one in Dehradun, to fulfill one of the criteria for admission.

He is an alumnus of the National School of Drama. Siddiqui's feature film debut was alongside director Prashant Bhargava in Patang (2012). He gained international recognition for his work in Black Friday (2007), Kahaani (2011), the 2012 Gangs of Wasseypur duology, and Raman Raghav 2.0 (2016). The actor has won several awards, including a National Film Award, an IIFA Award, and two Filmfare Awards, as well as a nomination for an International Emmy. He has starred in two Emmy-nominated series, Sacred Games (2019) and the British McMafia.