The 2002–03 Mississippi State basketball team represented Mississippi State University as a member of the Southeastern Conference during the 2002–03 college basketball season.

Under fifth-year head coach Rick Stansbury, the team played their home games at Humphrey Coliseum in Starkville, Mississippi.

Mississippi State won the SEC West Division regular season title.

The Bulldogs reached the championship game of the SEC tournament, losing to Kentucky.

Mississippi State finished the season with a record of 21–10 (9–7 SEC).