Gov. Scott Walker will seek re-election for the Republican party. Walker unsuccessfully ran for President in 2016, but says he is ready for the 2018 Wisconsin election.
Longtime Madison Mayor Paul Soglin officially joined the race on January 10 after months of speculation. Soglin is in his 20th year as mayor of Madison, a position he's held off and on since 1973.
Brett Hulsey is another Democratic candidate. He is the former Democratic State Representative.The business owner also ran for governor in 2014.
Democratic candidate Matt Flynn is a retired Milwaukee attorney and former Wisconsin Democratic Party Chairman.
Wisconsin Sen. Kathleen Vinehout is another Democratic candidate. She was first elected to the Senate in 2006.
Andy Gronik is a Milwaukee businessman and entrepreneur. The Democratic candidate is calling himself a private sector alternative to incumbent Scott Walker.
State Rep. Dana Wachs is a Democratic candidate. The Eau Claire lawyer is labeling himself as a viable alternative for the Democratic party against incumbent Scott Walker.
The head of the Wisconsin state's firefighter union, Mahlon Mitchell, is running as a Democratic candidate.
Bob Harlow is a Democratic candidate from Barneveld. The recent college graduate is the youngest candidate in the race.
Tony Evers is a Democratic candidate. He is currently the head of the Wisconsin Department of Public Instruction.
Mike McCabe was the executive director of the Wisconsin Democracy Campaign for 15 years. He describes himself as politically independent but will run for the Democratic nomination.
Phillip Anderson is a business manager and owner in Fitchburg, Wisconsin. According to the Wisconsin State Journal, At the time of his declaration to run for governor, he was the chair of the Wisconsin Libertarian Party.
Michele Doolan is a Democratic candidate from Madison. She is a small business owner, a veteran and a community leader according to We Are Green Bay.
Kurt Kober is a Democratic candidate. The Sheboygan businessman's campaign emphasizes education, acorrding to the Sheboygan Press.
Jeff Rumbaugh is from Madison. The Democratic candidate says he has, “An innate ability to care for others, to lead without discrimination or judgement,” according to his website.
Ryan Cason, a Republican candidate from Solon Springs, defines himself as more of a true conservative than incumbent Scott Walker according to his website.
Robbie Hoffman is running as an Independent Environmental candidate. Ballotpedia reports that in 2016, Hoffman ran for Congress, but dropped out prior to the primary. He also ran as a Democratic candidate for President the same year.
Travis Swenby is an Independent candidate. He ran for governor in 2014 according to Ballotpedia, although he did not qualify for the general election.
Ramona Whiteaker is a Democratic candidate from Madison.
Andrew Lust is a Democratic candidate from Madison.