Robert Graydon may refer to:
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Robert Graydon (1671–1725)
Robert Graydon (1671 – 1725) was an Irish politician.
Graydon sat as a Member of Parliament for Harristown in the Irish House of Commons
The Irish House of Commons was the lower house of the Parliament of Ireland that existed from 1297 ...
, Irish politician, member of Parliament for Harristown, 1692–1693, and 1695–1699
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Robert Graydon (1744–1800), Irish politician, member of Parliament for Harristown, 1768–1776, and for Kildare Borough, 1790–1797
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Robert Murray Graydon
Robert Murray Graydon (1890 – 1937) was a British novelist who also wrote under the pen-names Robert Murray, Murray Hamilton, and Murray Roberts. He is best remembered for his Sexton Blake stories featuring the Criminals' Confederation, a glo ...
(1890–1937), British novelist
{{hndis, Graydon, Robert