The details
Biography
John Emerson may refer to:
- Dr. John Emerson (died 1843), owner of the slave Dred Scott
- John Wesley Emerson (1832–1899), U.S. lawyer, Civil War military commander, judge, and the founder of the Emerson Electric Company
- John Emerson (mayor) (1859–1932), Canadian mayor
- John Emerson (filmmaker) (1874–1956), American stage actor, playwright, producer, and director of silent films
- John B. Emerson (born 1954), president of Capital Group Private Client Services, former Deputy Assistant to President Clinton, US ambassador to Germany
- John Haven Emerson (1906–1997), American inventor of biomedical devices