The 2012 Southern Utah Thunderbirds football team represented Southern Utah University in the Big Sky Conference during the 2012 NCAA Division I FCS football season.

Led by fifth-year head coach Ed Lamb, the Thunderbirds played their home games at Eccles Coliseum in Cedar City, Utah.

In their first year as a member of the Big Sky, they were 5–6 overall (4–4 in Big Sky, tied for fifth).