<!-- "none" is preferred when the title alone is adequate; see WP:SDNONE -->
The voters of the U.S. state of Ohio elect a governor for a four year term.<!-- how often? is there a repeating date sequence for these elections? --> There is a term limit of two consecutive terms as governor. Bold type indicates victor. Italic type indicates incumbent. Starting in 1978, the nominees for governor and lieutenant governor ran on a joint ticket.
Primaries
Democratic Party
{| class="wikitable"
! Year !! Nominee !! First Runner-Up !! Other Candidates
|-
| 2022 || Nan Whaley and Cheryl Stephens : 331,014 ||
|-
| 2018 || Richard Cordray and Betty Sutton : 423,264 ||
|-
| 2014 || Ed FitzGerald and Sharen Neuhardt : 366,056 || Larry Ealy and Ken Gray: 74,197 ||
|-
| 2010 || Ted Strickland and Yvette McGee Brown : 630,785 ||
|-
| 2006 || Ted Strickland and Lee Fisher: 634,105 || Bryan Flannery and Frank Stams: 166,251 || Bob Fitrakis (G) and Anita Rios (G): 38,796
|-
| 2002 || Timothy Hagan and Charleta B. Tavares: 467,572 || ||
|-
| 1998 || Lee Fisher and Michael B. Coleman: 663,832 || ||
|-
| 1994 || Robert L. Burch Jr. and Peter Lawson Jones: 408,161 || Peter Michael Schuller and Paul Kent Myers: 286,276 ||
|-
| 1990 || Anthony J. "Tony" Celebrezze Jr. and Eugene Branstool: 683,932 || Michael Hugh Lord and Judy Wynn Parker: 131,564 || Daniel A. Ciofani and Robert M. Galvin: 145<br>Henry King and Sandra King (WI): 46
|-
| 1986 || Richard F. Celeste and Paul R. Leonard: 684,206 || Guy Templeton Black and Barbara Arnold Massey (WI): 880 ||
|-
| 1982 || Richard F. Celeste and Myrl H. Shoemaker: 436,887 || William J. Brown and Charles A. Vanik: 383,007 || Gerald N. "Jerry" Springer and Kenneth M. Keefe: 210,524
|-
| 1978 || Richard F. Celeste and Michael J. Dorrian: 491,524 || Dale R. Reusch and Robert J. Sttrittmatter: 88,134 ||
|-
| 1974 || John J. Gilligan: 713,488 || James D. Nolan: 297,244 || Donald E. Dillon (WI): 88<br>Dale E. Reusch (WI): 33
|-
| 1970 || John J. Gilligan: 547,675 || Robert E. Sweeney: 216,195 || Mark McElroy: 153,702
|-
| 1962 || Henry Frazier Reams Jr.: 326,419 || Harry H. McIlwain: 231,406 ||
|-
| 1966 || Michael V. DiSalle: 331,463 || Mark McElroy: 299,207 || Alexander G. Metrakos: 27,740
|-
| 1958 || Michael V. DiSalle: 242,830 || Anthony J. Celebrezze Sr.: 140,453 || Albert S. Porter: 108,498<br>Robert N. Gorman: 57,694<br>M. E. Sensenbrenner: 52,350<br>Clingan Jackson: 35,175<br>Vivienne L. Suarez: 6,928
|-
| 1956 || Michael V. DiSalle: 279,831 || John E. Sweeney: 106,071 || Robert W. Reider: 41,224<br>Frank X. Kryzan: 37,290<br>Oscar L. Fleckner: 23,081
|-
| 1954 || Frank J. Lausche: 338,799 || ||
|-
| 1952 || Frank J. Lausche: 511,153 || ||
|-
| 1952 || Frank J. Lausche: 366,397 || Clarence H. Knisley: 63,165 || Joseph Torok Jr.: 16,651
|-
| 1948 || Frank J. Lausche: 332,596 || Ray T. Miller: 138,998 || Robert S. Cox: 17,344<br>Joseph Torok Jr.: 6,337
|-
| 1946 || Frank J. Lausche: 291,635 || Joseph Torok Jr.: 35,269 ||
|-
| 1944 || Frank J. Lausche: 179,961 || Martin L. Sweeney: 64,227 || James W. Huffman: 38,124<br>Henry Frazier Reams Sr.: 26,074<br>Frank A. Dye: 10,862<br>Walter Baertschi: 8,402
|-
| 1942 || John McSweeney: 119,698 || Joseph T. Ferguson: 101,508 || Clarence J. Knisley: 44,178<br>Walter F. Heer: 41,633<br>Frank A. Dye: 11,630
|-
| 1940 || Martin L. Davey: 304,509 || George White: 123,729 || William J. Kennedy: 86,530<br>Herbert S. Duffy: 31,401<br>Harold G. Mosier: 19,449<br>James F. Flynn: 14,267<br>Frank A. Dye: 7,359
|}
Republican Party
{| class="wikitable"
! Year !! Nominee !! First Runner-Up !! Other Candidates
|-
| 2022 || Mike DeWine: 519,594 (48.1%) || Jim Renacci: 302,494 (28%)||
|-
| 2018 || Mike DeWine: 494,766 (59.8%) || Mary Taylor: 332,273 (40.2%)||
|-
| 2014 || John Kasich: 559,671 (Unopposed) || ||
|-
| 2010 || John Kasich: 746,719 (Unopposed) || ||
|-
| 2006 || Ken Blackwell: 460,349 (55.7%) || Jim Petro: 365,618 (44.3%)||
|-
| 2002 || Bob Taft: 552,491 (Unopposed) || ||
|-
| 1998 || Bob Taft: 691,946 (Unopposed) || ||
|-
| 1994 || George Voinovich: 750,781 (Unopposed) || ||
|-
| 1990 || George Voinovich: 645,224 (Unopposed) || ||
|-
| 1986 || Jim Rhodes: 352,261 (48.2%) || Paul E. Gillmor: 281,737 (38.5%)|| Paul E. Pfeifer: 96,948 (13.3%)
|-
| 1982 || Clarence "Bud" Brown, Jr.: 347,176 (51.5%) || Seth Taft: 153,806 (22.8%)|| Tom Van Meter: 136,761 (20.3%)<br>Bob Teater: 35,821 (5.3%)
|-
| 1978 || Jim Rhodes: 393,632 (67.7%) || Charles F. Kurfess: 187,544 (32.3%) ||
|-
| 1974 || Jim Rhodes: 385,669 (62.8%) || Charles E. Fry: 183,899 (29.9%)|| Bert Dawson, Jr.: 44,938 (7.3%)
|-
| 1970 || Roger Cloud: 468,369 (50.5%) || Donald "Buz" Lukens: 283,257 (30.5%)|| Paul W. Brown: 164,672 (17.7%)<br>Albert Sealy: 11,825 (1.3%)<br>Morton Smith (WI): 8 (0%)
|-
| 1966 || Jim Rhodes: 577,827 (88.7%) || William L. White: 73,428 (11.3%)||
|-
| 1962 || Jim Rhodes: 520,868 (89.7%) || William L. White: 59,916 (10.3%) ||
|-
| 1958 || C. William O'Neill: 346,660 (63.6%) || Charles P. Taft II: 198,173 (36.4%)||
|-
| 1956 || C. William O'Neill: 425,947 (72.5%)|| John W. Brown: 161,826 (27.5%)||
|-
| 1954 || Jim Rhodes: 400,294 (Unopposed) || ||
|-
| 1952 || Charles P. Taft II: 413,431 (47.5%) || Thomas J. Herbert: 343,646 (39.5%)|| Roscoe R. Walcutt: 113,898 (13.1%)
|-
| 1950 || Don H. Ebright: 338,390 (62.7%) || Jim Rhodes: 157,346 (29.1%)|| Edward J. Hummel: 25,447 (4.7%)<br>George V. Woodling: 18,947 (3.5%)
|-
| 1948 || Thomas J. Herbert: 575,054 (87.1%) || William L. White: 52,763 (8%)|| Albert E. Payne: 32,421 (4.9%)
|-
| 1946 || Thomas J. Herbert: 296,654 (86.8%) || Albert E. Payne: 45,137 (13.2%)||
|-
| 1944 || James Garfield Stewart: 162,802 (34.2%) || Thomas J. Herbert: 160,598 (33.8%) || Paul M. Herbert: 137,359 (28.9%)<br>Albert E. Payne: 14,927 (3.1%)
|-
| 1942 || John W. Bricker: 350,730 (Unopposed) || ||
|-
| 1940 || John W. Bricker: 612,610 (Unopposed) || ||
|}
General elections
{| class="wikitable"
|-
! Year !! Democratic !! Republican !! Libertarian !! Green !! Others
|-
| 2022 || Nan Whaley<br>& Cheryl Stephens:1,545,489 || Mike DeWine<br>& Jon Husted:2,580,424 || None || None|| None
|-
| 2018 || Richard Cordray<br>& Betty Sutton:2,070,046 || Mike DeWine<br>& Jon Husted:2,235,825 || Travis Irvine<br>& Todd Grayson: 79,985 || Constance Gadell-Newton<br>& Brett R. Joseph: 49,475 ||
|-
| 2014
| Ed FitzGerald & <br>Sharen Neuhardt: 1,009,359
| John Kasich & <br>Mary Taylor: 1,944,848
| None
| Anita Rios & <br>Bob Fitrakis: 101,706
|
|-
| 2010 || Ted Strickland<br>& Yvette McGee Brown:1,812,047 || John Kasich<br>& Mary Taylor:1,889,180 || Ken Matesz<br>& Ann Leech: 92,116 || Dennis Spisak<br>& M. Anita Rios: 58,475 || David Sargent (Write-in) : 635
|-
| 2006 || Ted Strickland<br>& Lee Fisher: 2,307,420 || J. Kenneth Blackwell<br>& Thomas A. Raga: 1,406,792 || William S. Peirce<br>& Mark Noble: 67,596 || Bob Fitrakis<br>& Anita Rios: 38,987 ||
|-
| 2002 || Timothy Hagan<br>& Charleta Tavares: 1,236,924 || Robert A. Taft II<br>& Jennette Bradley: 1,865,007 || || || John Eastman: 126,686<br>James Whitman: 291<br>Eva Braiman (SWP): 84
|-
| 1998 || Lee Fisher<br>& Michael B. Coleman: 1,498,956 || Robert A. Taft II<br>& Maureen O'Connor: 1,678,721 || || || John R. Mitchel<br>& Lawrence Anderson: 111,468<br>Zanna Feitler<br>& John A. Eastman: 65,068
|-
| 1994 || Robert L. Burch Jr.<br>& Peter Lawson Jones: 835,849 || George V. Voinovich<br>& Nancy P. Hollister: 2,401,572 || || || Billy R. Inmon<br>& Norm Myers: 108,745<br>Keith W. Hatton<br>& Luther E. Willis (WI): 48<br>Michael Italie<br>& Kibwe Diarra (WI): 24
|-
| 1990 || Anthony J. "Tony" Celebrezze Jr.<br>& Eugene Branstool: 1,539,416 || George V. Voinovich<br>& R. Michael DeWine: 1,938,103 || || || David Marshall<br>& Margaret Husk: 82<br>James E. Attia<br>& Henry King: 49
|-
| 1986 || Richard F. Celeste<br>& Paul R. Leonard: 1,858,372 || James A. Rhodes<br>& Robert A. Taft II: 1,207,264 || || || Thomas V. Brown<br>& Katie S. Smith (WI): 803<br>Guy Templeton Black<br>& Lottie May Sulzer (WI)L 92<br>Roberta L. Scherr<br>& Mark J. Rahn (WI): 80
|-
| 1982 || Richard F. Celeste<br>& Myrl H. Shoemaker: 1,981,882 || Clarence J. "Bud" Brown Jr.<br>& James E. Betts: 1,303,962 || Phyllis Goetz<br>& Lee Paolini: 39,114 || || Erwin J. Reupert<br>& John N. Salierno: 17,484<br>Kurt O. Landefeld<br>& Rachel H. Knapik: 14,279<br>Robert Menefee<br>& Jesse Menefee (WI): 7
|-
| 1978 || Richard F. Celeste<br>& Michael J. Dorrian: 1,354,631 || James A. Rhodes<br>& George V. Voinovich: 1,402,167 || || || Patricia H. Wright<br>& John M. Gaige: 35,164<br>John O'Neil<br>& Conrad Gutermuth: 29,413<br>Allan Friedman<br>& Bruce Wood: 21,951<br>Robert Menefee<br>& Johnnie Menefee Jr. (WI): 25
|-
| 1974 || John J. Gilligan: 1,482,191 || James A. Rhodes: 1,493,679 || || || Nancy Brown Lazar: 95,625<br>Jack A. Snyder (WI): 359<br>Joseph Pirincin (WI): 113<br>Byron Anderson (WI): 43
|-
| 1970 || John J. Gilligan: 1,725,560 || Roger Cloud: 1,382,659 || || || Edwin G. Lawton (AI): 61,300<br>Joseph Pirincin (SL): 14,087<br>John A. Crites (WI): 321<br>Marcia Sweetenham (WI): 106<br>Donald R. Lesiak (WI): 100
|-
| 1966 || Henry Frazier Reams Jr.: 1,092,054 || James A. Rhodes: 1,795,277 || || ||
|-
| 1962 || Michael V. DiSalle: 1,280,521 || James A. Rhodes: 1,836,432 || || ||
|-
| 1958 || Michael V. DiSalle: 1,869,260 || C. William O'Neill: 1,414,874 || || ||
|-
| 1956 || Michael V. DiSalle: 1,577,103 || C. William O'Neill: 1,984,988 || || ||
|-
| 1954 || Frank J. Lausche: 1,405,262 || James A. Rhodes: 1,192,528 || || ||
|-
| 1952 || Frank J. Lausche: 2,015,110 || Charles P. Taft II: 1,590,058 || || ||
|-
| 1950 || Frank J. Lausche: 1,522,249 || Don H. Ebright: 1,370,570 || || ||
|-
| 1948 || Frank J. Lausche: 1,619,775 || Thomas J. Herbert: 1,398,514 || || ||
|-
| 1946 || Frank J. Lausche: 1,125,997 || Thomas J. Herbert: 1,166,550 || || || Arla A. Albaugh (SL): 11,203
|-
| 1944 || Frank J. Lausche: 1,603,808 || James G. Stewart: 1,491,450 || || ||
|-
| 1942 || John McSweeney: 709,599 || John W. Bricker: 1,086,937 || || ||
|-
| 1940 || Martin L. Davey: 1,460,396 || John W. Bricker: 1,824,863 || || ||
|-
| 1938 || Charles W. Sawyer : 1,147,323 || John W. Bricker : 1,265,548 || || ||
|-
| 1936 || James M. Cox : 568,218 || Frank B. Willis : 561,602 || || || Tom Clifford : 36,908<br>John H. Dickason : 7,347
|-
| 1914 || James M. Cox : 493,804 || Frank B. Willis : 523,074 || || || James R. Garfield (Progressive) : 60,904<br>Scott Wilkins (Socialist) : 51,441
|-
| 1912 || Judson Harmon : 477,077|| Andrew L. Harris : 533,197 || || || Robert Bandlow (Soc): 28,573<br>John B. Martin (Pro): 7,665<br>Andrew F. Otte (Independence) : 392<br>John Kircher (Soc Lab) : 797
|-
| 1905
|-
| 1806 || Edward Tiffin : 4,788 || || || ||
|-
| 1803 || Edward Tiffin : 4,564 || || || ||
|}