Antonia Santa María Monckeberg (born 22 July 1982) is a Chilean film, television, and theater actress.

The daughter of Juan Pedro Santa María Pérez, legal director of Banco Santander and great-grandson of President Domingo Santa María,^[1] Antonia Santa María attended the Apoquindo School and, after completing her secondary education, studied theater at the Catholic University. She refined her skills with an acting seminar at Alfredo Castro's school. She has also taken singing and dancing courses.

Her first television series was Brujas on Canal 13, playing the role of Sharon Sánchez.^[2] She next joined Descarado [es] and Papi Ricky on the same network. In 2008 she began to appear on Televisión Nacional de Chile (TVN) series such as El Señor de la Querencia, Hijos del Monte, Conde Vrolok, La familia de al lado, and La chúcara, with the latter being her first leading role.^[3]

In 2006, the year after her premiere in Brujas, she performed professionally in theater for the first time, in the play Oedipus (o La múltiple dislexia), a version of Oedipus Rex written and directed by Luna del Canto.^[4] Since then she has made sporadic theatrical appearances, in productions such as El Último Cuplé, el cabaret de Sarita Montiel^[5][6] and Gladys [es].^[7]

She debuted on the big screen as Antonia in Las niñas (2007), the award-winning first work by Rodrigo Marín.^[8] She acted in Quiero entrar (2011) by Roberto Farías,^[9] and Pérez (2012), which was directed by her husband, Álvaro Viguera, and of which she was also a producer.^[1] The film, for which Viguera won the Best Director award at the 2012 Santiago International Film Festival, is based on the 2009 play of the same name by Elisa Zulueta (in which Santa María also acted).^[9][10]

She is the youngest of four siblings: painter and musician Pedro Santa María, journalist and singer Constanza Santa María [es], and architect and musician Rodrigo Santa María.^[11]

• 2013: Ceniza (collaboration with Rodrigo Santa María)^[11]