Dean's Grange Cemetery is situated in the suburban area of Deansgrange in Dún Laoghaire–Rathdown, County Dublin, Ireland. Since it first opened in 1865, over 150,000 people have been buried there. It is, together with Glasnevin and Mount Jerome, one of the largest cemeteries in the Dublin area, occupying 70 acres (28 ha).

Reginald William Dunne was Battalion Commandant of the London Battalion, IRA and one of two men hanged for the murder of Field Marshal Sir Henry Wilson.