John C. McKinley (November 20, 1859 – May 1, 1927) was a lawyer and Republican politician from the state of Missouri.

He was the state's 26th Lieutenant Governor as well as a member of the Missouri Senate.

[1][2] John C. McKinley was a lawyer by profession when not engaged in politics.

However he did not serve the full four-year term, having been elected Missouri Lieutenant Governor in 1904.

John C. MicKinley was an unsuccessful candidate for several other offices including U.S. Senate in 1908, 1910, and 1922.