Graydon \g-ray-don\ as a boy's name is of Old English origin. Possibly "son of the gray-haired one" or a place name: "gray settlement". Editor Graydon Carter.

Graydon has 1 variant form: Grayton.

For more information, see also the related name Grayson.

Baby names that sound like Graydon are Gradon and Greydon.