Fritz-Walter-Stadion (German pronunciation: [fʁɪt͡sˈvaltɐˌʃtaːdi̯ɔn] ⓘ) is the home stadium of 1.

It is named after Fritz Walter (1920–2002), who played for the Kaiserslautern club throughout his career and was captain of the Germany national football team that won the 1954 FIFA World Cup in the "Miracle of Bern".

The stadium was built on the Betzenberg hill, hence its nickname "Betze" (German pronunciation: [ˈbɛt͡sə] ⓘ), and was opened in 1920.

In preparation for the 2006 FIFA World Cup, the stadium underwent a €76,5 million renovation beginning in 2002 that added a media center and a new floodlight system.

The stadium was one of the venues for the 2006 FIFA World Cup.