Claudia Lucía Chamorro Barrios (born 1952 or 1953) is a Nicaraguan writer, public health official, and former ambassador of Nicaragua to Cuba and Costa Rica.

[1] Until her father's assassination, Chamorro worked as an artist and the director of an art gallery, but then became active with the Sandinistas, and once they took power, she served as a negotiator for the junta and in ambassadorial posts in Cuba and Costa Rica in the 1980s.

[3] At the same time, her brother Pedro Joaquín was also in Costa Rica but working for the Contras, editing the anti-FSLN publication Nicaragua Hoy and serving as spokesman for the US-backed effort to overthrow the FSLN.

[3] That year, Chamorro married Edmundo Jarquin, then Nicaragua's ambassador to Mexico, who had worked closely with her father in the 1970s.

[2] With her family she moved to the United States in 1991 to pursue treatment for him; Marcos Tolentino Bárcenas Chamorro died as a teenager in 1996.