Al W. Wieser Jr. (born May 15, 1949) was an American politician and businessman.
Wieser lived in La Crescent, Minnesota with his family.
He graduated from Winona State University with a bachelor's degree in political science and economics.
Wieser was an accountant and worked for Al's Concrete in La Crescent, Minnesota.
Elected as a Democrat in 1974, he switched political parties and became a Republican in August 1977.