Marcel Dandeneau (June 28, 1931 – February 9, 2017) was an American educator and Democratic Party politician.

Dandeneau graduated from St. Catherine's High School in Racine, Wisconsin.

Dandeneau then received his bachelor's and master's degree from Dominican College of Racine and worked as a full-time teacher from 1960 through 1989, first at Sturtevant Grade School, then at Mitchell Junior High, where he taught English, History, and Science.

[2][3] In 1975, Dandeneau was charged with misconduct in office, a felony, and violating state campaign laws in connection with unreported campaign contributions and vested interest in granting a liquor license.

For the last 27 years of his life, Dandeneau held a monthly breakfast meeting for Racine politicians and businessmen to discuss the issues of the day.