Turn- und Sportgemeinschaft 1899 Hoffenheim e.V. (pronounced [ˈtʊʁn ʔʊnt ˈʃpɔʁtɡəˌmaɪnʃaft ˌʔaxtseːnˈhʊndɐt ˌnɔʏnʔʊntˈnɔʏntsɪç ˈhɔfn̩haɪm]), commonly known as TSG Hoffenheim (pronounced [ˌteːʔɛsˈɡeː ˈhɔfn̩haɪm]), are a German professional football club based in Sinsheim.
Originally founded in 1899 as a gymnastics club, Hoffenheim came into being in their modern form in 1945. A fifth division side in 2000, the club rapidly advanced through the German football league system with the financial backing of alumnus and software mogul Dietmar Hopp, and in 2008 Hoffenheim was promoted to the top tier Bundesliga. Despite never winning a major trophy, they have experienced success. In the 2017–18 season, Hoffenheim finished third in the Bundesliga (their best to date), qualifying for the UEFA Champions League group stage for the first time.
Since 2009, Hoffenheim have played their home games at the Rhein-Neckar-Arena (known as PreZero Arena for sponsorship reasons), having previously played at the Dietmar-Hopp-Stadion from 1999.