Walter John Marsham (24 October 1869 – 8 March 1945) was an English cricketer. Marsham's batting style is unknown. The son of Kent cricketer Rev. Hon. John Marsham and Penelope Jane Hume and grandson of Charles Marsham, 3rd Earl of Romney, Marsham was born at in Northamptonshire where his father was rector. Marsham appeared once for Northamptonshire in the 1897 Minor Counties Championship against Worcestershire at the County Ground, Northampton. While in the British Raj, Marsham made a single first-class cricket appearance for the against in January 1903 at the .