Harrison Carroll Hobart was an American lawyer, Democratic politician, and Union Army officer during the American Civil War. He was the 2nd speaker of the Wisconsin State Assembly, and served in the 1st Wisconsin Legislature as a member of the Wisconsin Senate. He was the Democratic nominee for Governor of Wisconsin in 1859 and 1865.

The First Wisconsin Legislature convened from June 5, 1848, to August 21, 1848, in regular session. Members of the Assembly and Senate were elected after an election on February 1, 1848, that ratified the proposed state constitution.