The 2003 Michigan State Spartans football team represented Michigan State University in the 2003 NCAA Division I-A football season.

This was the first year for head coach John L. Smith, who would win Big Ten coach of the year in his debut, but would later be fired after the 2006 season.

The Spartans were coming off a 4–8 season and had just let go of head coach Bobby Williams.

Roster The following players were selected in the 2004 NFL draft.

This college football 2000s season article is a stub.