Tatoi Royal Cemetery is a private cemetery located on the south end of the estate in a large wooded area.

Buried in the Tatoi Royal Cemetery are:

1. Princess Olga of Greece and Denmark (March 26, 1880 – 21 October 1880)
2. Princess Alexandra of Greece and Denmark, Grand Duchess of Russia (August 30, 1870 – September 24, 1891) - (wife of Grand Duke Paul Alexandrovich of Russia)
3. George I, King of the Hellenes (December 24, 1845 – March 18, 1913)
4. Alexander I, King of the Hellenes (August 1, 1893 – October 25, 1920)
5. Constantine I, King of the Hellenes (August 2, 1868 – February 6, 1923)
6. Grand Duchess Olga Constantinovna of Russia, Queen of the Hellenes (September 3, 1851 – June 18, 1926) - (wife of George I, King of the Hellenes)
7. Princess Sophia of Prussia, Queen of the Hellenes (June 14, 1870 – January 13, 1932) - (wife of Constantine I, King of the Hellenes)
8. Prince Nicholas of Greece and Denmark (January 22, 1872 – February 8, 1938)
9. Prince Christopher of Greece and Denmark (August 10, 1888 – January 21, 1940)
10. Princess Maria of Greece and Denmark, Grand Duchess of Russia (March 3, 1876 – December 14, 1940) - (wife of Grand Duke George Mikhailovich of Russia)
11. Prince Andrew of Greece and Denmark (January 20, 1882 – December 3, 1944) (father of Prince Philip, husband of Queen Elizabeth ll)
12. George II, King of the Hellenes (July 19, 1890 – April 1, 1947)
13. Princess Françoise of Orléans (December 25, 1902 – February 25, 1953) - (wife of Prince Christopher of Greece and Denmark)
14. Grand Duchess Elena Vladimirovna of Russia (January 17, 1882 – March 13, 1957) - (wife of Prince Nicholas of Greece and Denmark)
15. Prince George of Greece and Denmark (June 24, 1869 – November 25, 1957)
16. Princess Marie Bonaparte (July 2, 1882 – September 21, 1962) - (wife of Prince George of Greece and Denmark)
17. Paul I, King of the Hellenes (December 14, 1901 – March 6, 1964)
18. Aspasia Manos, Princess of Greece and Denmark (September 4, 1896 – August 7, 1972) - (wife of Alexander I, King of the Hellenes)
19. Princess Frederica of Hanover, Queen of the Hellenes (April 18, 1917 – February 6, 1981) - (wife of Paul I, King of the Hellenes)
20. Princess Katherine of Greece and Denmark, Lady Brandram (May 4, 1913 – October 2, 2007)

A mausoleum was built to house the bodies of King Constantine I, Queen Sophie and King Alexander I. The remaining members are buried in tombs with crosses near the Royal Chapel.

Princess Alexandra of Greece and Denmark, Queen of Yugoslavia (March 25, 1921 – January 30, 1993) was buried here from 1993 until 2013, when her remains were exhumed and returned to Serbia, where they were reburied at Oplenac on 26 May 2013.