The Socialist Party is a Centre-left political party in Argentina. Founded in 1896, it is one of the oldest still-active parties in Argentina, alongside the Radical Civic Union.
The Socialist Workers' Party, previously known as the Workers Party for Socialism, is a Trotskyist political party in Argentina. It was founded in 1988 by expelled members of the Movement for Socialism (MAS). MAS was a Trotskyist party led by Nahuel Moreno until his death.
Christian Carlos Hernan Castillo is an Argentinian activist, politician, sociologist and university teacher. He is a founding member of the Socialist Workers' Party (Argentina) (PTS). In the 2013 elections he was voted in as a deputy for the Buenos Aires Province for the Workers Left Front; he resigned to his seat on June 10, 2015 to leave his place to the next candidate based on the banking rotation between the different parties that make up the Front. He was pre-candidate to Governor of the Buenos Aires Province during the 2015 primary elections, losing to Néstor Pitrola.
The Workers' Left Front – Unity is an electoral alliance of four revolutionary Trotskyist communist parties in Argentina: the Workers' Party (PO), the Socialist Workers' Party (PTS), Socialist Left (IS), and the Workers' Socialist Movement (MST). Initially founded in 2011, the alliance added MST in 2019.
Nicolás del Caño is an Argentine politician from the Socialist Workers' Party. He was twice the presidential candidate for the Workers' Left Front (FIT).
The Frente Renovador (FR) is an Argentine Peronist political party. The party is a member of the big tent political coalition Union for the Homeland. In 2019 the party was legally recognized after obtaining definitive legal status in the electoral districts of Buenos Aires Province, Autonomous City of Buenos Aires, Santa Cruz, Tucumán, Santiago del Estero, Santa Fe, La Pampa and Chubut.
Broad Front UNEN was a center-left political coalition in Argentina. It arose through an alliance between Radical Civic Union, Civic Coalition ARI, Proyecto Sur, Freemen of the South Movement, Socialist Party, Authentic Socialist Party, and GEN.
Romina Del Plá is an activist in the Workers' Party (Argentina).
Alejandro Ariel Vilca is an Argentine activist, garbage worker, trade unionist and politician, active in the Socialist Workers' Party (PTS). A member of the Indigenous Qulla people, Vilca was elected to the provincial legislature of Jujuy Province in 2017 on the Workers' Left Front (FIT) list, which won 18% of the vote. In 2021, he was elected to the National Chamber of Deputies.
The Frente de Todos was a centre-left political coalition of political parties in Argentina formed to support President Alberto Fernández and Vice President Cristina Kirchner.
Fernando Adolfo Iglesias is an Argentine journalist, writer, politician, and volleyball player. Currently he is a National Deputy elected in Buenos Aires. He is a member of the center right party Republican Proposal.
The Solidary Party is a co-operatist political party in Argentina, founded by banker and politician Carlos Heller in 2007. It was part of the Frente de Todos coalition, and was part of the kirchnerist Front for Victory from its foundation until the alliance's dissolution in 2019. The party was also previously aligned with New Encounter. It is now a member of the Unión por la Patria, formed to support Sergio Massa's 2023 presidential campaign.
Federal Consensus was an electoral coalition in Argentina formed to support the alliance between Roberto Lavagna and Juan Manuel Urtubey in 2019 general election. It is formed by dissidents of the Justicialist Party, the Socialist Party, the Freemen of the South Movement, the Federal Party, the Christian Democratic Party, the Third Position Party and the Light Blue and White Union.
The Victory Party is a minor Kirchnerist political party in Argentina founded in 2003 by Néstor Kirchner and Diana Conti to group independent sectors of the Kirchnerist coalition. The party now forms part of the Unión por la Patria, the former ruling coalition supporting then- President Alberto Fernández and supported Sergio Massa's presidential campaign. The party was a founding member of the similarly named Front for Victory, the coalition that led Néstor Kirchner to the presidency in the 2003 election.
Popular Unity, officially registered as the Electoral Instrument for Popular Unity is a left-wing nationalist political party in Argentina, founded by trade union leader and former CTA secretary-general Víctor De Gennaro in 2010. It was part of the Frente de Todos, the coalition formed in 2019 to support the presidential candidacy of Alberto Fernández. It is now part of the Union for the Homeland which was formed to support Sergio Massa's 2023 presidential campaign. From 2011 to 2013 it was part of the Broad Progressive Front (FAP).
Nathalia Inés González Seligra is an Argentine teacher and politician who was a National Deputy from 2017 to 2019 for the Socialist Workers' Party (PTS).
Juan Carlos Alderete is an Argentine trade unionist, social activist and politician, and the leader of the Corriente Clasista y Combativa (CCC), the labour wing of the Revolutionary Communist Party. He rose to prominence in the late 1990s due to his role in the Piquetero movement.
Mónica Leticia Schlotthauer is an Argentine railway worker and union leader who served as a member of the Argentine Chamber of Deputies elected in Buenos Aires Province on three occasions, from April to December 2019, from June to December 2021, and from June 2024 to date. Schlotthauer is a member of Socialist Left, a Trotskyist political party organized within the Workers' Left Front.
Carlos Alberto Caserio is an Argentine politician, who was a National Senator for Córdoba Province from 2015 to 2021 and a National Deputy from 2013 to 2015. A member of the Justicialist Party, Caserio formed part of the Union for Córdoba regional alliance from 1998 to 2019. In the Senate, he sat with the Frente de Todos parliamentary bloc from 2019 to 2021.
