Egbert Cornelis Christiaan de Graeff (11 December 1936 – 7 July 2017) was Jonkheer and a Dutch field hockey player.

His father was Herman Jacob de Graeff (1907-1978), and his grandfather Dirk Georg de Graeff.

He played for many years for the field hockey club TOGO from The Hague.

De Graeff appeared in the national hockey team several times and was active at the men's tournament during the 1960 Summer Olympics in Rome, where he took 9th place with the Netherlands.

This biographical article relating to a Dutch field hockey figure is a stub.