Atul Agnihotri is an Indian actor, producer and director. He started his Bollywood career as an actor, went on to direct two films, and found success as a film producer. He is best known for his debut film Sir (1993), which was the most notable film of his career and featured him as the lead protagonist. His other notable films were Aatish: Feel the Fire (1994) and Krantiveer (1994).

Sir is a 1993 Indian Hindi-language romantic drama film directed by Mahesh Bhatt starring debutant Atul Agnihotri and Pooja Bhatt in the lead roles, with Naseeruddin Shah playing the title role. Paresh Rawal and Gulshan Grover play the main villains. The film was remade in Telugu as Gangmaster, with Rajasekhar.