Mark Bytheway (22 July 1963 – 9 July 2010) was an England International Quiz player best known for becoming Quizzing World Champion in 2008 and winning the Top Brain competition of Brain of Britain.

He has been capped six times for the National team (with five wins) and has a current European/World ranking of number 3,[1] behind Kevin Ashman (his pairs partner) and Pat Gibson.

Bytheway was one of the original British Quizzing Grandmasters (as created under the Order of Merit maintained by Quizzing.co.uk) and has the third largest haul of international medals, with 16, (5 gold, 6 silver and 5 Bronze) after Ashman (27) and Gibson (24).

In domestic competitions he played with the Milhous Warriors, the first British team to win the Club competition at the European Quizzing Championships, which comprises Ashman, captain and England international Tim Westcott, Welsh international Sean O'Neill, Eric Kilby, Keith Andrew and Brian Wilkins.

[2] A 2008 interview, after winning the World title, is available on the Norwegian Quiz Association website.