It was founded on 6 of January 1936, in the zone of Villa Amelia of Asunción, exactly in the same place where today the Institute of Tropical Medicine is located on Venezuela Avenue, in this same place it had its first playing field. Years later, the field was transferred, in the same zone but closer to the Spain Avenue, in this location it obtained its first official title upon winning the 1959 third division and last division of Paraguayan football in those days. Later, in the decade 1970, it moved to a new field off the neighbor suburb called Barrio Jara until 1983 due to the order of the municipality of the sector it went to Barrio Virgin del Huerto, despite this, the club is popularly identified with Barrio Jara. In this period, constructs the
Estadio José Tomás Silva, where it is actually exercised as a local today. Later, after many years in the last division of Paraguayan football, in the 1997, with the creation of the División Intermedia as the new second division, the club is one of a few that were sent to the Cuarta Division, the new last level of Paraguayan football for then. In this last category, obtained runner-up in 2000 a part from the promotion to the third division, but the following year, returns to relegation again in 2001. In 1993, Sportivo Ameliano went into the
Guinness Book of Records when in a youth match against General Caballero, a total of an astonishing 20 red cards were shown, the most red cards ever to be dished out in one game. Ian Battersby of
The Guardian recorded that "The incident occurred in league match between Sportivo Ameliano and General Caballero in Paraguay. When two Sportivo players were sent off, a 10-minute fight ensued and the referee dismissed a further 18 players. The match, not surprisingly, was abandoned." On 15 September 2003, Sportivo Ameliano were crowned champions of Paraguay's fourth division after defeated Capitán Figari 2–1. Sportivo Ameliano had been losing 1–0 until Carlos Paredes equalised in the 70th minute and substitute Marcos Caballero scored the winner in the 78th minute. In 2013, the club was defeated in a two-legged promotion play-off played between the top four teams of the
Paraguayan Primera División C. In 2015, both Sportivo Ameliano and
Deportivo Recoleta gained promotion from the Primera División C to the Primera División B for the 2016 season. It had been in the Primera División C since 2008. During May of the 2016 Primera División B Metropolitana, long time club striker Marcos Caballero scored in a 1–0 victory vs. Colegiales to put Sportivo Ameliano in the leading clubs at the top of the league table. On 4 November 2022, Sportivo Ameliano achieved the biggest feat in its history by winning the
2022 Copa Paraguay, beating
Nacional on penalty kicks after a 1–1 draw in regular time in the final. By winning the cup, the club also secured a first-time qualification for an international tournament, participating in the
2023 Copa Sudamericana, as well as the
2022 Supercopa Paraguay against the
Primera División champions with better record in the aggregate table, which they also won by defeating
Olimpia. ==Stadium==