The Chorrillos Women's Penitentiary Annex (Spanish: Establecimiento Penitenciario Anexo Mujeres de Chorrillos), formerly known as Santa Mónica Prison (Spanish: Penal Santa Mónica),[1] is a high-security women's prison in Chorrillos, Lima, Peru.

The building started operating on April 5, 1992, receiving female inmates from Cantogrande Prison [es] that had been imprisoned on terrorism charges during the armed conflict.

In 1997, the prison was intervened by the National Penitentiary Institute (INPE) through Supreme Decree No.

[2] A resolution published on July 17, 2006, transferred control of the prison to INPE.

[3] It had a total of 1038 inmates in 2012, of which 175 were moved to Virgen de Fátima Prison on March 9 to prevent overcrowding.