Governors

• Governor of Buenos Aires Province: Daniel Scioli
• Governor of Catamarca Province: Eduardo Brizuela del Moral (until 10 December); Lucía Corpacci (starting 10 December)
• Governor of Chaco Province: Juan Carlos Bacileff Ivanoff
• Governor of Chubut Province: Mario Das Neves (until 10 December); Martín Buzzi (starting 10 December)
• Governor of Córdoba: Juan Schiaretti (until 10 December); José Manuel De la Sota (starting 10 December)
• Governor of Corrientes Province: Ricardo Colombi
• Governor of Entre Ríos Province: Sergio Urribarri
• Governor of Formosa Province: Gildo Insfrán
• Governor of Jujuy Province: Walter Barrionuevo (until 10 December); Eduardo Fellner (starting 10 December)
• Governor of La Pampa Province: Óscar Jorge (until 10 December); Celso Jaque (starting 10 December)
• Governor of La Rioja Province: Luis Beder Herrera
• Governor of Mendoza Province: Francisco Pérez
• Governor of Misiones Province: Maurice Closs
• Governor of Neuquén Province: Jorge Sapag
• Governor of Río Negro Province: Miguel Saiz (until 10 December); Carlos Ernesto Soria (starting 10 December)
• Governor of Salta Province: Juan Manuel Urtubey
• Governor of San Juan Province: José Luis Gioja
• Governor of San Luis Province: Alberto Rodríguez Saá (until 23 December); Claudio Poggi (starting 23 December)
• Governor of Santa Cruz Province: Daniel Peralta
• Governor of Santa Fe Province: Hermes Binner (until 11 December); Antonio Bonfatti (starting 11 December)
• Governor of Santiago del Estero: Gerardo Zamora
• Governor of Tierra del Fuego: Fabiana Ríos
• Governor of Tucumán: José Alperovich

Vice Governors

• Vice Governor of Buenos Aires Province: Alberto Balestrini (until 10 December); Gabriel Mariotto (starting 10 December)
• Vice Governor of Catamarca Province: Marta Grimaux (until 10 December); Dalmacio Mera (starting 10 December)
• Vice Governor of Chaco Province: Juan Carlos Bacileff Ivanoff
• Vice Governor of Corrientes Province: Pedro Braillard Poccard
• Vice Governor of Entre Rios Province: José Lauritto (until 10 December); José Orlando Cáceres (starting 10 December)
• Vice Governor of Formosa Province: Floro Bogado
• Vice Governor of Jujuy Province: Pedro Segura (until 10 December); Guillermo Jenefes (starting 10 December)
• Vice Governor of La Pampa Province: Luis Alberto Campo (until 10 December); Norma Durango (starting 10 December)
• Vice Governor of La Rioja Province: Teresita Luna (until 10 December); Sergio Casas (starting 10 December)
• Vice Governor of Misiones Province: Sandra Giménez (until 10 December); Hugo Passalacqua (starting 10 December)
• Vice Governor of Neuquén Province: Ana Pechen
• Vice Governor of Rio Negro Province: Bautista Mendioroz (until 10 December); Alberto Weretilneck (starting 10 December)
• Vice Governor of Salta Province: Andrés Zottos
• Vice Governor of San Juan Province: Rubén Uñac (until 10 December); Sergio Uñac (starting 10 December)
• Vice Governor of San Luis Province: Jorge Luis Pellegrini (until 10 December); Jorge Raúl Díaz (starting 10 December)
• Vice Governor of Santa Cruz: Luis Martínez Crespo (until 10 December); Fernando Cotillo (starting 10 December)
• Vice Governor of Santa Fe Province: Griselda Tessio (until 10 December); Jorge Henn (starting 10 December)
• Vice Governor of Santiago del Estero: Ángel Niccolai
• Vice Governor of Tierra del Fuego: Carlos Basanetti (until 10 December); Roberto Crocianelli (starting 10 December)

January

February

March

• Lucía Corpacci wins the elections for governor of Catamarca.
• The elections for governor of Chubut end in a technical tie; the candidate Carlos Eliceche denounced electoral fraud. Mario Das Neves, governor of Chubut, declines his candidature to the 2011 presidential elections.
• The judiciary of Suiza requests information about truck union leader Hugo Moyano. Moyano calls for a massive strike.

April

• Julio Cobos declines his candidature to run for the presidency of Argentina. Ernesto Sanz does the same a pair of weeks later. Thus, Ricardo Alfonsín is appointed candidate to the presidency for the Radical Civic Union.

May

• Mauricio Macri declines his candidature to run for the presidency of Argentina, running instead for reelection as mayor of Buenos Aires.
• Cristina Fernández choose Daniel Filmus to run for mayor of Buenos Aires.
• A show of the rock band La Renga ends with a death caused by pyrotechnic flare.

June

• River Plate lost a two-ledged match against Belgrano, being relegated to the National B tournament. The second match ends with a massive riot at the Monumental.

July

• Mauricio Macri runs for reelection as mayor of Buenos Aires, getting nearly 47% of the vote. The results call for a runoff election against Daniel Filmus, the second candidate, who got the 27% of the vote.
• Socialist Antonio Bonfatti becomes governor of Santa Fe. Miguel del Sel gets an unexpected second place in the election, leaving the kirchnerist candidate Agustín Rossi in the third place.
• In the Noble siblings case, Marcela and Felipe Noble Herrera (adoptive sons of Ernestina Herrera de Noble) accepted a DNA profiling against a database of disappeared women during the Dirty War. All results are negative, confirming that they were not sons of disappeared women.
• Argentina hosts the 2011 Copa América. The Argentina national football team, however, is defeated early, in a penalty shoot-out against Uruguay.

August

September

October

November

December

Unknown date

Ongoing