The 2002 Cal Poly Mustangs football team represented California Polytechnic State University during the 2002 NCAA Division I-AA football season. Cal Poly competed as an NCAA Division I-AA independent in 2002. The Mustangs were led by second-year head coach Rich Ellerson and played home games at Mustang Stadium in San Luis Obispo, California. The Mustangs finished the season with a record of three wins and eight losses (3–8). Overall, the team was outscored by its opponents 247–302 for the season.