Krzysztof Ptak (3 April 1954 – 19 August 2016) was a Polish cinematographer. Ptak was born in Sulejów in 1954. He graduated from the National Film School in Łódź in 1980 and began his film career by making documentaries. He co-operated with the National Film School of Denmark and was the rector of the UK National Film and Television School. Ptak pioneered the HDTV in Poland with his 2003 film Pornografia and was one of the first Polish cinematographers to use digital cameras.