Ingersoll is a small unincorporated community in Alfalfa County, Oklahoma, United States.

[1] Ingersoll was named for Philadelphia railroad owner, Charles E.

[2] The Choctaw Northern Railroad (later owned by the Chicago, Rock Island and Pacific[3]) became the county's first railway in 1901, when it connected Ingersoll to the other Alfalfa county towns of Aline, Augusta, Lambert, Driftwood, Amorita, and then continuing on into Kansas.

[4] After its bid to become the county seat failed, Ingersoll's prospects declined considerably.

[6] Ingersoll is located on U.S. Highway 64, 14 miles (23 km) east of Alva.