Sujoy Ghosh is an Indian film director, actor, producer, and screenwriter who works in Hindi films. He has directed Jhankaar Beats (2003), Home Delivery: Aapko... Ghar Tak (2005), Aladin (2009), Kahaani (2012), Kahaani 2 (2016) and Badla (2019). He has also written and directed short films such as Ahalya (2015) and Anukul (2017). He had directed two projects for Netflix, the horror drama series Typewriter (2019) and the mystery thriller film Jaane Jaan (2023).

Jaane Jaan, released internationally as Suspect X, is a 2023 Indian Hindi-language mystery thriller film written and directed by Sujoy Ghosh. The film is an adaptation of the 2005 Japanese novel The Devotion of Suspect X by Keigo Higashino.