Patricia Rivadeneira Ruiz-Tagle, born on August 6, 1964, in Santiago, Chile, is a distinguished actress and cultural manager with a career spanning over three decades in theater, film, and television.

She began her television career in 1986 with the series "Secreto de familia," portraying Soledad Barca. Throughout the 1990s, Rivadeneira became a prominent figure in Chilean telenovelas, with notable roles in "Trampas y caretas" (1992) as Ana Rosa Astudillo, "Sucupira" (1996) as Regina Lineros, and "Aquelarre" (1999) as Rodolfa Patiño. In cinema, she collaborated with acclaimed Chilean directors, including Raúl Ruiz in "The Wandering Soap Opera" (1993) and Miguel Littín in "Cinco marineros y un ataúd verde" (2000). Beyond acting, Rivadeneira has been active in cultural management. Between 2001 and 2006, she served as Chile's Cultural Attaché in Italy under President Ricardo Lagos Escobar. Subsequently, from 2007 to 2011, she was the Cultural Director at the Italo-Latin American Institute (IILA) in Rome. In recognition of her efforts in promoting cultural ties between Chile and Italy, she was honored with the Order of the Star of Italy. In recent years, Rivadeneira returned to Chilean television, appearing in series such as "Perdona nuestros pecados" (2017–2018) as Estela Undurraga, "Juegos de poder" (2019) as Verónica Egaña, and "Demente" (2021) as Flavia Betancourt. Additionally, she co-founded Escenix, a digital platform dedicated to streaming Chilean theater productions. Rivadeneira's multifaceted career and dedication to the arts have solidified her status as a significant figure in Chilean culture.