Robert Hudson may refer to:

• Robert Spear Hudson (soap) died 1884, popularised dry soap powder
• Robert William Hudson, (1856-1937) son of Robert Spear Hudson, soap manufacturer
• Robert Hudson, 1st Viscount Hudson - UK politician
• Robert George Spencer Hudson - geologist and paleontologist
• Robert Hudson (broadcaster) - British broadcaster on cricket, rugby and state occasions
• Robert Hudson Ltd, defunct British manufacturer of steam locomotives

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