Fussballclub St. Gallen 1879, commonly known as St. Gallen, is a Swiss professional football club based in the city of St. Gallen, Canton of St. Gallen. As of the 2022–23 season, the team competes in the Swiss Super League.

The Super League is a Swiss professional league in the top tier of the Swiss football league system and has been played in its current format since the 2003–04 season. As of March 2024, the Swiss Super League is ranked 12th in Europe according to UEFA's ranking of league coefficients, which is based upon Swiss team performances in European competitions. The 2023–24 season will be the 127th season of the Swiss top-flight, making it the longest continuously running top-flight national league.