Latin America: Truth Commission Resources

Argentina:
Comision Nacional sobre la Desparicion de Personas (National Commission on the Disappearance of Persions, CONADEP, 1983)
Report entitled "Nunca Mas" (Never Again)

Bolivia: Comision Nacional de Investigacion de Desaparecidos (National Commission of Enquiry into Disappearances, 1982)
Commission dissolved early without producing a report, see here

Chile: Comision Nacional de Verdad y Reconciliacion (National Commission on Truth and Reconciliation, known as the Rettig commission, 1990)
Report here in English, here in Spanish
Comision Nacional sobre Prision Politica y Tortura (National Commission on Political Imprisonment and Torture, known as the Valech commission, 2003)
Report here in Spanish

Ecuador: Comision "Verdad y Justicia" (Truth and Justice Commission, 1996)
More information here
Comision de la Verdad (Truth Commission, 2007)
Official site here

El Salvador: Comision de la Verdad para El Salvador (Commission on the Truth for El Salvador, 1992)
Report: De la locura a la esperanza: la guerra de 12 años en El Salvador
From Madness to Hope: the 12 year War in El Salvador

Guatemala: Comisión para el Esclarecimiento Histórico (Commission for Historical Clarification, 1997)
Report: Memoria del Silencio
Memory of Silence

Panama: Comision de la Verdad (Truth Commission, 2001)
More information here

Paraguay: Comision de Verdad y Justicia (Truth and Justice Commission, 2003)
Conclusion and recommendations of report in Spanish here

Peru: Comision de la Verdad y Reconciliacion (Truth and Reconciliation Commission, 2001)
Final report here in Spanish, here summarised in English

Uruguay: Comisión Investigadora sobre la Situación de Personas Desaparecidas y Hechos que la Motivaron (Investigative Commission on the Situation of Disappeared People and its Causes, 1985)
More information here
Comision para la Paz (Peace Commission, 2000)
Scroll down to the bottom of the entry here to download a Word document of the final report in Spanish

Other sources of information

Brandon Hamber
David Gairdner, The Role of Truth Commissions in Political Transition in Chile and El Salvador (pdf)
Institutional Center for Transitional Justice
Strategic Choices in the Design of Truth Commissions
United States Institute of Peace