The 1857 Wisconsin gubernatorial election was held on November 3, 1857. Republican Party candidate Alexander Randall narrowly prevailed, defeating Democratic candidate James B. Cross by a margin of just 454 votes.

Alexander Williams Randall was a lawyer, judge and politician from Wisconsin. He served as the sixth Governor of Wisconsin from 1858 until 1861. He was instrumental in raising and organizing the first Wisconsin volunteer troops for the Union Army during the American Civil War.