|1. FSV Mainz 05|
|Full name||1. Fußball- und Sportverein Mainz 05 e. V.|
|Nickname(s)||Karnevalsverein, Die Nullfünfer|
|Short name||FSV Mainz|
|Head Coach||Achim Beierlorzer|
|Website||Club home page|
1. Fußball- und Sportverein Mainz 05 e. V., usually shortened to 1. FSV Mainz 05, Mainz 05, or simply Mainz, is a German association football club, founded in 1905 and based in Mainz, Rhineland-Palatinate. 1. FSV Mainz 05 have played in the Bundesliga, the top tier of the German football league system, for four consecutive years, starting with the 2009–10 season. The club's main local rivals are Eintracht Frankfurt and 1. FC Kaiserslautern. In addition to the football division, 1. FSV Mainz 05 have handball and table tennis departments.