Stein Olav Bjortomt (born 13 December 1978 in Eastbourne) is an English international quiz player, four-time world champion (2003, 2015, 2018, 2019) and three time individual European champion (2010, 2014, 2015).
He is the star player of the world's most successful quizzing club, Broken Hearts, with which he has won several European championships.
As of 2018 he is one of the writers for the show The Chase.In contrast to the other two full-time professionals of Team England Pat Gibson and Kevin Ashman he has not done as well both in domestic competitions, with only a second place in the individual British championships 2007 to his credit (though he has won the pairs competition) and as a TV candidate, a second place in the Fifteen to One series of 2002 being his best result.