Villarreal Club de Fútbol, S.A.D. (ValencianVila-real Club de Futbol, S.A.D.), usually abbreviated to Villarreal CF or just Villarreal, is a Spanish football club based in Vila-real, a city in the province of Castellón within the Valencian Community. Founded in 1923, it plays in La Liga, holding home games at Estadio de la Cerámica, with a capacity of 24,890.

The club is nicknamed El Submarí Groguet or El Submarino Amarillo (Yellow Submarine) due to its yellow home kit, and due to being a low-profile team compared to Real MadridBarcelona, and Valencia, who they have challenged for trophies over the last decade. Villarreal has often been touted as an example of a small but successful club.