Ralph Waldo Emerson (1803–1882) was an American philosopher and essayist.

Ralph Emerson may also refer to:

• Ralph Emerson (theologian) (1787–1863), American Congregational pastor in Norfolk, Connecticut
• Ralph Emerson (botanist) (1912–1979), American botanist, academic, and professor at the University of California, Berkeley
• William Ralph Emerson (1833–1917), American architect
• Ralph Emerson (1899–1984), American actor
• Ralph Waldo Emerson Jones (1905–1982), American educator and baseball coach

• Emerson (surname)

This disambiguation page lists articles about people with the same name.
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