G. K. Vishnu is an Indian cinematographer who predominantly works in the Tamil film industry.
Vishnu married Mahalakshmi on 25 April 2021. Vishnu's brother, Vignesh, a data scientist who encouraged him to take up cinematography as a career.
Vishnu is a computer science engineering graduate. Before venturing into cinematography, he worked as an interface designer. He assisted Richard M. Nathan and George C. Williams in Vanakkam Chennai (2013) and Theri (2016), respectively.