George Martin Stephen (born 1949) is the former High Master of St Paul's School in London until 1 January 2011.

[5] In the days following his announcement, The Times reported that there had been an "apparent confrontation" with governors over Stephen's ability to raise funds for the school's redevelopment.

In November 2010, he announced that he was to take sabbatical leave from 1 January 2011 until July 2011, when his tenure as High Master was due to end.

[8] Stephen is the governor of Hartland International School-Dubai and also heads the school's “Gifted and Talented Education” program.

Stephen is an author of several academic titles on English literature, modern naval history and war poetry.