Sport Rosario was founded on October 4, 1965 in Nicrupampa, which is part of the Independencia District of the city of Huaraz, Ancash by the Mautino Ángeles family.
Its first well known campaign happened in the 2002 Copa Perú where it reached the departamental stage where it lost the final against the Chimbote side José Gálvez.
[1] In 2007, Sport Rosario reached the Regional Stage as departamental runner-up where it was seeded in Group B against Unión Tarapoto, Deportivo Davy and Carlos A. Mannucci.
It would also defeat Kola San Martín in the quarter-finals by a global score of 5-3 to reach the final group stage or Finalísima at the Estadio Nacional in Lima.
In the Finalísima Sport Rosario tied against Deportivo Hualgayoc 1-1, defeated Escuela Municipal Binacional 3-2 and Racing de Huamanchuco 2-1 to finish the group with 7 points and therefore winning a place in the 2017 Torneo Descentralizado.
The Mautino Family reinforced the team for its debut in the highest flight of Peruvian soccer by hiring Argentine coach Gerardo Ameli.