John Graydon (disambiguation) explained

John Graydon (1666–1726) was an English navy officer.

John Graydon may also refer to:

• John Graydon (politician) (1693–1774), Irish politician
• Michael John Graydon Soroka (born 1997), Canadian baseball pitcher

See also

• Graydon (disambiguation)
• Graydon (name)