Richard Oldham may refer to:
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Richard Oldham (bishop) (died 1485/86), bishop of Sodor and Man
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Richard Oldham (priest) (1814–1889), Scottish Episcopalian priest
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Richard Dixon Oldham
Richard Dixon Oldham FRS (; 31 July 1858 – 15 July 1936) was a British geologist who made the first clear identification of the separate arrivals of P-waves, S-waves and surface waves on seismograms and the first clear evidence that the ...
(1858–1936), British geologist
{{hndis, Oldham, Richard