Alok Nath (born 10 July 1949) is an Indian film character actor known for his work in Hindi cinema and television. He made his film debut with the 1982 English (and Hindi) film Gandhi, directed by Sir Richard Attenborough, which won an Oscar Academy Award for Best Picture that year. He appeared in the soap opera, Buniyaad, which took the country by storm in 1986. He was also in Rishtey, which aired from 1999 to 2001. He appeared in Star Plus serials like Sapna Babul Ka...Bidaai, Yahaaan Main Ghar Ghar Kheli and Yeh Rishta Kya Kehlata Hai. Nath was born in Khagaria (Bihar) on 10 July 1956. Nath has a sister, Vineeta Malik, she is known for the portrayal of the character Bhairavi in the television series Yeh Rishta Kya Kehlata Hai.

In December 2013, jokes and memes based on characters played by Alok Nath started trending on social media and spread quickly. The Curious Case of Alok Nath - Why did Alok Nath Trend on Twitter, a case-study to analyze the content which led to the interest in Nath, became popular on 4 January 2014. Reacting to the jokes, the actor admitted that he liked most of them.

Nath was accused of rape by writer-producer Vinda Nanda and sexual misconduct by multiple women during the Indian Me Too movement in 2018 and he was charged with rape by the Mumbai Police.