The 2019 Southern Utah Thunderbirds football team represented Southern Utah University in the 2019 NCAA Division I FCS football season.

They were led by fourth-year head coach Demario Warren[1] and played their home games at Eccles Coliseum in Cedar City, Utah as eighth-year members of the Big Sky Conference.

The Big Sky released their preseason media and coaches' polls on July 15, 2019.

The Thunderbirds were picked to finish in eleventh place by the media and in twelfth by the coaches.

[2] The Thunderbirds had one player selected to the preseason all-Big Sky team.