1947 Southern Illinois Maroons football team

The 1947 Southern Illinois Maroons football team was an American football team that represented Southern Illinois University (now known as Southern Illinois University Carbondale) in the Illinois Intercollegiate Athletic Conference (IIAC) during the 1947 college football season. Under eighth-year head coach Glenn Martin, the team compiled a 7–2–1 record.

In the final Litkenhous Ratings released in mid-December, Southern Illinois was ranked at No. 206 out of 500 college football teams.

The team played its home games at McAndrew Stadium in Carbondale, Illinois.