Thomas Dereham, Derham or Durham may refer to: Sir Thomas Dereham, 1st Baronet (c. 1600–1668), of the Dereham Baronets Sir Thomas Dereham, 4th Baronet (c. 1678–1739) Thomas Derham (died 1444/1445), MP for Bishop's Lynn Thomas Durham School, Philadelphia See also Dereham (surname)