Ingersoll may refer to:
Ingersoll Rand, industrial firm founded by Simon Ingersoll (see below)
Ingersoll, Oklahoma, town located in the state of Oklahoma, United States
Ingersoll, Ontario, town in Oxford County on the Thames River in southwestern Ontario, Canada
Ingersoll Township, Michigan, town in the state of Michigan, United States
Jared Ingersoll (1749–1822), United States Constitution signer
Jonathan E. Ingersoll, American economist
Jonathan Ingersoll, Lieutenant Governor of Connecticut from 1816 to 1823
Ralph Ingersoll, a United States Representative and a publisher
Robert G. Ingersoll (1833–1899), orator and political leader
Royal Ingersoll, men associated with the United States Navy
Simon Ingersoll (1818–1894), founder of the company that is now known as Ingersoll Rand.
Thomas Ingersoll, early settler in Upper Canada
USS Ingersoll, ships named Ingersoll in the United States Navy
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