John Emerson

John Emerson may refer to:

John Wesley Emerson, U.S. lawyer, Civil War military commander, judge, and the founder of the Emerson Electric Company
John Emerson , Canadian mayor
John Emerson , American stage actor, playwright, producer, and director of silent films
John B. Emerson, president of Capital Group Private Client Services, former Deputy Assistant to President Clinton, US ambassador to Germany
John Haven Emerson, American inventor of biomedical devices
John Emerson, physician and slaveowner of Dred Scott