The Wathen Hall at St Paul's School (London) is a small concert hall in London, UK. Designed by BHM Architects and opened in 1999, it forms part of the St Paul's School Music department and is used for school concerts as well as external events. The hall seats 316 people. Artists appearing there during the opening season included pianists Murray Perahia and Radu Lupu, and violinist Maxim Vengerov.