Saint Louis FC U23 were an American soccer team based in Fenton, Missouri, United States.

Founded in 2006, the team played in the Premier Development League (PDL), now USL League Two, the fourth tier of the American Soccer Pyramid, in the Heartland Division of the Central Conference.

[2][3][4] They were replaced by a new USL League Two expansion team, the St. Louis Scott Gallagher Soccer Club in 2021.

The ownership group of the Storm franchise, which included local businessman Doug Fiester and former professional players Chris Hanlon, Armen Tonianse, and Brett Thomas, launched the new team in early 2007, and began play that year.

The Springfield Demize have been resurrected as a new semi-professional/amateur franchise in the new Major Arena Soccer League 3 in 2020.