Harvey C. Smith (July 7, 1874 – May 26, 1929)[1] was a Republican politician in the U.S. state of Ohio who served as Ohio Secretary of State 1919-1923.

Harvey C. Smith was born in Coshocton County, Ohio and moved to Muskingum County, Ohio in childhood.

[2] He was a schoolteacher and newspaper publisher before being elected to three terms as Muskingum County Probate Judge, where he earned a statewide reputation.

[2] He was elected Ohio Secretary of State in 1918, and re-elected in 1920.

[3] Harvey C. Smith married Cora E. Littick and had one son, Clyde.