Ohio State Auditor elections
The voters of the U.S. state of Ohio elect a state auditor for a four-year term.
| Year | Democratic | Republican | Other |
| 2022 | Taylor Sappington: 1,683,216 | Keith Faber: 2,397,207 | |
| 2018 | Zack Space: 1,946,544 | Keith Faber: 2,110,073 | Robert C. Coogan : 169,767 |
| 2014 | John Patrick Carney | Dave Yost | Bob Bridges |
| 2010 | David Pepper : 1,683,330 | Dave Yost : 1,882,010 | L. Michael Howard : 182,534 |
| 2006 | Barbara Sykes: 1,891,874 | Mary Taylor: 1,940,665 | Donald Lesiak |
| 2002 | Helen Knipe Smith: 1,114,957 | Betty D. Montgomery: 2,010,022 | |
| 1998 | Louis N. Strike: 1,191,250 | James M. Petro: 1,975,793 | |
| 1994 | Randall W. Sweeney: 1,337,558 | James M. Petro: 1,883,852 | |
| 1990 | Thomas E. Ferguson: 1,768,343 | James M. Petro: 1,580,497 | |
| 1986 | Thomas E. Ferguson: 2,005,306 | Ben Rose: 1,012,037 | |
| 1982 | Thomas E. Ferguson: 1,692,670 | Vincent C. Campanella: 1,550,227 | |
| 1978 | Thomas E. Ferguson: 1,455,219 | Donald E. "Buz" Lukens: 1,177,329 | |
| 1974 | Thomas E. Ferguson: 1,561,709 | Roger W. Tracy, Jr.: 1,243,459 | |
| 1970 | Joseph T. Ferguson: 1,484,610 | Roger W. Tracy, Jr.: 1,434,105 | |
| 1966 | Thomas E. Ferguson: 1,196,780 | Roger Cloud: 1,527,673 | |
| 1966 | Clarence H. Knisley: 1,170,788 | Archer E. Reilly: 1,435,506 | |
| 1962 | John W. Donahey: 1,372,581 | Roger W. Tracy: 1,521,030 | |
| 1960 | James D. Ferguson: 1,540,241 | James A. Rhodes: 2,288,611 | |
| 1956 | Joseph T. Ferguson: 1,517,424 | James A. Rhodes: 1,829,305 | |
| 1952 | Joseph T. Ferguson: 1,513,230 | James A. Rhodes: 1,832,769 | |
| 1948 | Joseph T. Ferguson: 1,550,899 | Roger W. Tracy: 1,259,047 | |
| 1944 | Joseph T. Ferguson: 1,504,141 | Roger W. Tracy: 1,423,901 | |
| 1940 | Joseph T. Ferguson: 1,525,839 | Joseph T. Tracy: 1,479,840 | |
| 1920 | Daniel E. Butler : 754,581 | Joseph T. Tracy : 1,126,321 | Louis H. Neff : 43,691 L.R. Tripp : 1,373 |
| 1916 | A. Victor Donahey : 577,044 | Hays M. Adams : 532,178 | Sigfried Newbauer : 37,898 Will D. Scott : 6,692 |
| 1912 | A. Victor Donahey | Edward M. Fullington | Charles L. Allen |
| 1908 | William W. Durbin : 524,954 | Edward M. Fullington : 547,970 | John P. McGuire : 31,832 Joseph R. Stratton : 11,385 Mark W. Madge : 591 John A. Sheffield : 168 Bernard S. Frayne : 832 |
| 1903 | Charles A. Kloeb : 357,201 | Walter D. Guilbert : 473,565 | Henry H. Smith : 14,203 Albanus C. Purvis : 13,453 William Garrity : 2,173 |
| 1899 | George W. Sigafoos | Walter D. Guilbert | |
| 1895 | James W. Knott : 329,420 | Walter D. Guilbert : 427,457 | |
| 1891 | Thomas E. Peckinpaugh : 345,611 | Ebenezer W. Poe : 373,838 | |
| 1887 | Emil Kiesewetter : 327,821 | Ebenezer W. Poe : 356,793 | |
| 1883 | Emil Kiesewetter : 360,319 | John F. Oglevee : 346,923 | |
| 1879 | Charles Reemelin : 317,442 | John F. Oglevee : 335,184 | |
| 1875 | Edward M. Green : 292,271 | James Williams : 296,210 | |
| 1871 | Joseph R. Cockerill : 217,833 | James Williams : 237,809 | |
| 1867 | John McElwee : 240,840 | James H. Godman : 243,461 | |
| 1863 | William B. Hubbard : 188,310 | James H. Godman : 284,909 | |
| 1859 | G. V. Dorsey : 170,586 | Robert Walker Tayler, Sr. : 184,321 | |
| 1855 | William Duane Morgan : 134,504 | Francis Mastin Wright : 169,218 | |
| 1851 | William Duane Morgan : 145,617 | Jacob Heaton : 13,663 | John Woods : 123,583 |