A special election was held in the U.S. state of Minnesota on February 12, 2018, to elect a new representative for District 23B in the Minnesota House of Representatives, caused by the resignation of Tony Cornish effective on November 30, 2017. A primary election was held on January 29, 2018, to nominate a Republican candidate. It coincided with the Minnesota Senate District 54 special election. The Republican nominee, Jeremy Munson, won the special election.