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James Richardson (explorer) (1809–1851), British explorer of the Sahara •
James Richardson (poet) (born 1950), American poet • James Richardson, owner of
Spadina Hotel, Toronto •
James Richardson (presenter) (born 1966), British television presenter associated with Italian football •
James Richardson (1819–1892), Canadian businessman •
James Richardson & Sons •
Jim Richardson (born 1941), English jazz bassist and session musician • (1904-1980), Gaspé Peninsula business •
James Richardson Corporation, Australian corporation involved with furniture, hospitality, real estate, and the duty-free retail businesses •
James Armstrong Richardson Sr. (1885–1939), Canadian businessman •
James Joseph Richardson (1935–2023), American man wrongly convicted of the murder of his children •
James Smith Richardson (1883–1970), Scottish architect, antiquarian and archaeologist •
James T. Richardson (born 1941), American sociologist who wrote extensively about new religious movements, popularly called cults