Lady Helen Cynthia Colville DCVO DBE OStJ JP FRCM (née Milnes, later Crewe-Milnes; 20 May 1884 – 15 June 1968) was an English courtier and social worker, serving as a Woman of the Bedchamber to Queen Mary, while at the same time devoting her energies to alleviating the suffering of Shoreditch, one of the poorest areas of the East End of London.