Alvin James "Al" Baldus (April 27, 1926 – February 2, 2017) was an American Democratic politician who served as a member of the United States House of Representatives, representing Wisconsin's 3rd congressional district from 1975 to 1981.

Born in Garner, Iowa, Baldus graduated from high school in Elkton, Minnesota, and went to Riverland Community College (formerly Austin Junior College) in Austin, Minnesota.

[citation needed] He served as part of the 94th, 95th and 96th United States Congresses.

Alvin Baldus married Anna Lorayne "Lolly" Reiten in 1959, at St. Joseph Catholic Church in Menomonie.

[2] Baldus' eldest daughter, Deb McGrath, ran for his former seat in the United States House of Representatives in the 2022 election, but lost in the Democratic primary to state senator Brad Pfaff.