U. K. Senthil Kumar is an Indian cinematographer, who has worked in the Tamil and Malayalam film industries.A native of Coimbatore, Senthil Kumar belongs to the 1989-92 batch of the Government Film Institute, Chennai, and has worked in about 50 films. After making his debut in 1993 with Manobala's Karuppu Vellai (1993), Senthil Kumar worked exclusively for director Sundar C in the late 1990s and early 2000s, before being displaced in Sundar's teams by Prasad Murella. He continued working in quickly shot, low budget films and established a reputation as a talented cameraman. He returned to work with Sundar C in the well received comedy films Kalakalappu (2012) and then Aranmanai (2014). He has also helped politicians with their promotion campaigns, helping create hologram-like videos for Narendra Modi's 2014 campaign.