{{wiktionary|mullock}} '''Mullock''' is a surname. Notable people with the surname include:

* John T. Mullock (1807–1869), Roman Catholic bishop of St. John's, Newfoundland * Julia Mullock (1928–2017), former wife of the former Korean royalty Yi Ku * Richard Mullock (1851–1920), Welsh sporting administrator and official

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* '''Mullock''' may also refer to waste tailings from metal ore mining. <!-- It does not help to add disambig or hndis tags where the page only contains people who share a given name or surname -->