CGTN Documentary (formerly CCTV-9 Documentary) is a state-run English-language documentary channel operated by the China Global Television Network (CGTN) group, owned by Chinese state broadcaster China Central Television (CCTV). It broadcasts documentaries in the English language, and is China's first state-level English-language documentary channel to broadcast globally.

It used to share the "CCTV-9" name with its sister documentary channel in Mandarin Chinese. The channel has also been known to carry some Mandarin-language programmes with English subtitles; it broadcasts new programming between 7:00pm and 11:00pm Beijing time, and repeats archival programming at other times.