In 2012, Oviedo was named Paraguayan Footballer of the Year.
27 Facts About Fidencio Oviedo
Fidencio Oviedo's mother took him to 3 de Febrero when he was 12 years old and he was trained at the club.
In 2005, Fidencio Oviedo played for Libertad's first-team where he colleagued with Francisco Arce, Carlos Bonet, Argentine midfielder Pablo Guinazu, Uruguayan striker Hernan Rodrigo Lopez and young teammates Victor Caceres, Nestor Camacho and Edgar Benitez.
Fidencio Oviedo played in 1 game for Libertad in the 2005 Copa Libertadores.
Fidencio Oviedo shared the 2006 3 de Febrero squad with players as Wilson Mendez, the Uruguayan Raul Salazar and the Argentine Fernando Brandan.
At Tacuary Asuncion in 2006, Fidencio Oviedo shared the team with Japanese defender Riki Kitawaki, Argentine striker Fabian Caballero.
Fidencio Oviedo played in 2 games in the 2007 Copa Libertadores for Tacuary Asuncion.
In 2007, Fidencio Oviedo returned to Libertad's first-team to play along with Colombian Vladimir Marin, Argentine Javier Villarreal, Brazilian midfielder Jose Pedro Santos and experienced Paraguayan player Pedro Sarabia.
In 2008, Fidencio Oviedo joined Club Sol de America with Libertad teammate Edgar Benitez, colleaguing in a team with Jose Ortigoza, Miguel Samudio, Argentine defender Emanuel Loeschbor, and Uruguayans Luis Cupla and Leonardo Bordad.
Fidencio Oviedo scored 1 goal in 30 league games in the 2009 season for Santiago Morning.
Fidencio Oviedo accumulated 20 league appearances for the 2010 season.
In December 2014, it was announced that Fidencio Oviedo could continue his career in Mexico.
In July 2015, Fidencio Oviedo returned to training from an injury.
Between 2013 and 2017, Fidencio Oviedo played in 17 Copa Libertadores games for Cerro Porteno.
Between 2012 and 2014, Fidencio Oviedo scored 1 goal in 18 games for Cerro Porteno in the Copa Sudamericana.
In May 2018, Fidencio Oviedo was separated from Guarani's first-squad by coach Fernando Burgo, after being annoyed for being substituted off of the field in a game against General Diaz.
Fidencio Oviedo played in a total of 5 Copa Libertadores games for Guarani in the 2017 and 2018 tournaments.
Fidencio Oviedo played in 4 games for Deportivo Santani in the 2019 Copa Sudamericana.
In November 2019, Fidencio Oviedo showed that he was hurt by Deportivo Santani's descension to Paraguay's second-tier for the following year.
In December 2019, Fidencio Oviedo joined Bolivian club Bolivar for the 2020 season.
Fidencio Oviedo totalled 4 games for Bolivar in the 2020 Copa Libertadores.
In November 2020, Fidencio Oviedo scored for Bolivar in a victory against Oriente Petrolero.
In March 2021, Versus announced that Fidencio Oviedo was the new signing at 3 de Febrero for the 2021 Paraguayan Division Intermedia season.
In November 2021, Fidencio Oviedo was presented at Independiente Hernandarias from the Liga Hernandariense and began training with his new teammates.
Fidencio Oviedo was joined in the team by Arnaldo Pereira and Fabio Caballero.
In January 2022 of Paraguay's summer transfer window, Fidencio Oviedo joined Fernando de la Mora.
In 2021, Fidencio Oviedo told Paraguayan newspaper Cronica that he idolised Italian footballer Gennaro Gattuso, and that locally, another idol was Paraguayan player Cristian Riveros.