Mark Andrew Watson (born 13 February 1980) is a British comedian and novelist. Watson was born in Bristol to a Welsh mother and English father.

He has younger twin sisters called Emma and Lucy and a brother, Paul. He attended Henleaze Junior school and then Bristol Grammar School, an independent day school where he won the prize of 'Gabbler of the Year', before going to Queens' College, Cambridge, where he studied English, graduating with first class honours. At university he was a member of the Footlights and contemporary of Stefan Golaszewski, Tim Key and Dan Stevens.