Sameer C. Thahir (born 7 November 1976) is an Indian cinematographer, screenwriter, producer and film director, who works primarily in Malayalam cinema.
He is a graduate of Maharajas College, Ernakulam. Sameer began his career assisting his mentors, fellow Indian Society of Cinematographers members Amal Neerad and Rajeev Ravi.
In 2007, he shot his first feature as an independent cinematographer when Amal Neerad turned to direct his debut film Big B.
Sameer's other credits include Aashiq Abu's film Daddy Cool (2009), Nidra (2012), Diamond Necklace (2012), Bangalore Days (2014), Thamaasha (2019) and Minnal Murali (2021). In 2017, Sameer received his first credit in Tamil Cinema with Soundarya Rajnikanth's comedy Velaiilla Pattadhari 2. In 2018, he was the cinematographer for Sometimes.
Sameer Thahir is the son of Thahir Mattanchery, a production controller in Malayalam film industry. Sameer studied in Maharajas College Eranakulam. His mentors include Amal Neerad, Anwar Rasheed, and Rajeev Ravi.
In 2007, Sameer made his debut with Big B, the first film directed by cinematographer Amal Neerad. Later, he made his directorial and writing debut with Chaappa Kurishu (2011).
In 2012, he handled the cinematography for Siddharth Bharathan's Nidra and Lal Jose's Diamond Necklace. In 2013, Sameer directed a segment in the anthology film 5 Sundarikal. His second film as a director, Neelakasham Pachakadal Chuvanna Bhoomi, was released later that year.
Sameer handled the camera for the 2014 movie Bangalore Days, directed by Anjali Menon. In 2015, he produced the movie Chandrettan Evideya under his banner Happy Hours Entertainments. He produced and directed Kali, starring Dulquer Salmaan in 2016. Sameer was the cinematographer of the 2017 Tamil movie Velaiilla Pattadhari 2 and Priyadarshan's Sometimes (2018). He was the producer of Sudani from Nigeria (2018) and Thamaasha (2019), also handling the cinematography for the latter.
Sameer C. Thahir married Neethu on 12 November 2013. She is a professional social worker.