Letzigrund is a stadium in Zürich, Switzerland, the home of the football clubs FC Zürich and Grasshopper Club Zürich, as well as the athletics club LC Zürich. The stadium was constructed by members of FC Zürich in 1925. Grasshopper Club has been using it as their home stadium since 2007. LC Zürich was spun off of FC Zürich in 1934. The annual track and field meet Weltklasse Zürich, part of the Diamond League, has taken place at the Letzigrund since 1928, as have frequent open-air concerts. On the Letzigrund track on 21 June 1960, Armin Hary was the first human being to run the 100 metres in 10.0 seconds.

Fussballclub Zürich, commonly abbreviated to FC Zürich or simply FCZ, is a Swiss professional football club based in Zürich. The club was founded in 1896 and has won the Swiss Super League 13 times and the Swiss Cup ten times. Their most recent titles are the 2022 Swiss Super League and the 2018 Swiss Cup. The club plays its home games at the Letzigrund, which reaches a capacity of 26,000 spectators for league games.