Sir Christopher Owen Hum KCMG (born 27 January 1946) is the former UK Ambassador to the People's Republic of China and Master of a constituent college of the University of Cambridge.

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Hum was educated at Berkhamsted School, a boarding independent school for boys in Berkhamsted in Hertfordshire, followed by Pembroke College^[1] at the University of Cambridge, where he read modern languages, and is now an Honorary Fellow.

Hum was Her Majesty's Ambassador to the People's Republic of China from the years 2002–2006. On 16 January 2006, he became the 41st Master of Gonville and Caius College,^[2] one of the oldest colleges of the University of Cambridge, until October 2012.

Hum is married with two children.