Governors - Governor of Alabama: Henry W. Collier (Democratic) (until December 20), John A. Winston (Democratic) (starting December 20)
- Governor of Arkansas: Elias Nelson Conway (Democratic)
- Governor of California: John Bigler (Democratic)
- Governor of Connecticut: Thomas H. Seymour (Democratic) (until October 13), Charles H. Pond (Democratic) (starting October 13)
- Governor of Delaware: William H. H. Ross (Democratic)
- Governor of Florida: Thomas Brown (Whig) (until October 3), James E. Broome (Democratic) (starting October 3)
- Governor of Georgia: Howell Cobb (Democratic) (until November 9), Herschel V. Johnson (Democratic) (starting November 9)
- Governor of Illinois: Augustus C. French (Democratic) (until January 10), Joel Aldrich Matteson (Democratic) (starting January 10)
- Governor of Indiana: Joseph A. Wright (Democratic)
- Governor of Iowa: Stephen P. Hempstead (Democratic)
- Governor of Kentucky: Lazarus W. Powell (Democratic)
- Governor of Louisiana: Joseph Marshall Walker (Democratic) (until January 18), Paul Octave Hébert (Democratic) (starting January 18)
- Governor of Maine: John Hubbard (Democratic) (until January 10), William G. Crosby (Whig) (starting January 10)
- Governor of Maryland: Enoch Louis Lowe (Democratic)
- Governor of Massachusetts: George S. Boutwell (Democratic) (until January 14), John H. Clifford (Whig) (starting January 14)
- Governor of Michigan:
- until March 7: Robert McClelland (Democratic)
- March 7-March 8: vacant
- starting March 8: Andrew Parsons (Democratic)
- Governor of Mississippi: Henry S. Foote (Democratic)
- Governor of Missouri: Austin Augustus King (Democratic) (until January 3), Sterling Price (Democratic) (starting January 3)
- Governor of New Hampshire: Noah Martin (Democratic)
- Governor of New Jersey: George F. Fort (Democratic)
- Governor of New York: Horatio Seymour (Democratic) (starting January 1)
- Governor of North Carolina: David Settle Reid (Democratic)
- Governor of Ohio: Reuben Wood (Democratic) (until July 13), William Medill (Democratic) (starting July 13)
- Governor of Pennsylvania: William Bigler (Democratic)
- Governor of Rhode Island: Philip Allen (Democratic) (until July 20), Francis M. Dimond (Democratic) (starting July 20)
- Governor of South Carolina: John Lawrence Manning (Democratic)
- Governor of Tennessee: William B. Campbell (Whig) (until October 17), Andrew Johnson (Democratic) (starting October 17)
- Governor of Texas:
- Governor of Vermont: Erastus Fairbanks (Whig) (until October), John S. Robinson (Democratic) (starting October)
- Governor of Virginia: Joseph Johnson (Democratic)
- Governor of Wisconsin: Leonard J. Farwell (Whig)
Lieutenant governors - Lieutenant Governor of California: Samuel Purdy (Democratic)
- Lieutenant Governor of Connecticut: Charles H. Pond (Democratic) (until October 13), vacant (starting October 13)
- Lieutenant Governor of Illinois: William McMurtry (Democratic) (until January 10), Gustavus Koerner (Democratic) (starting January 10)
- Lieutenant Governor of Indiana: James H. Lane (Democratic) (until January 10), Ashbel P. Willard (Democratic) (starting January 10)
- Lieutenant Governor of Kentucky: John Burton Thompson (political party unknown) (until month and day unknown), vacant (starting month and day unknown)
- Lieutenant Governor of Louisiana: Jean Baptiste Plauche (Whig) (until month and day unknown), William Wood Farmer (Democratic) (starting month and day unknown)
- Lieutenant Governor of Massachusetts: Henry W. Cushman (Democratic) (until January 14), Elisha Huntington (Whig) (starting January 14)
- Lieutenant Governor of Michigan:
- until month and day unknown: Calvin Britain (Democratic)
- month and day unknown: Andrew Parsons (Democratic)
- starting month and day unknown: George Griswold (Democratic)
- Lieutenant Governor of Missouri: Thomas Lawson Price (Democratic) (until January 3), Wilson Brown (Democratic) (starting January 3)
- Lieutenant Governor of New York: Sanford E. Church (Democratic)
- Lieutenant Governor of Ohio: William Medill (Democratic) (until July 13), vacant (starting July 13)
- Lieutenant Governor of Rhode Island: Samuel G. Arnold (political party unknown) (until July 20), Francis M. Dimond (Democratic) (starting July 20)
- Lieutenant Governor of South Carolina: James Irby (Democratic)
- Lieutenant Governor of Texas:
- Lieutenant Governor of Vermont: William Kittredge (Whig) (until October), Jefferson P. Kidder (Democratic) (starting October)
- Lieutenant Governor of Virginia: Shelton Leake (Democratic)
- Lieutenant Governor of Wisconsin: Timothy Burns (Democratic) (until September 21), vacant (starting September 21)
|