Mariano Keller or simply Mariano Keller was an Italian association football club, based in Naples but currently playing San Giorgio a Cremano, Campania.

[1] At first the club was focused on youth team football only.

CTL Campania Piscinola sports title.

[3] They were however excluded after the end of the season due to administrative issues related mainly to club chairman Salvatore Righi's arrest for camorra related charges earlier in January 2014 which led to the club being seized by the magistrature.

It played at Stadio Dietro La Vigna in Piscinola with 300 places.