Bárbara Castro (born 8 September 1975) is a Chilean former professional tennis player.

Castro trained at the Santa Rosa de Las Condes in Santiago and was later based in Spain during her career.

From 1992 to 2000, Castro featured in a total of 36 Fed Cup ties for Chile. Her doubles partnership with Paula Cabezas resulted in 15 wins, which is a national record. She has a younger sister, Valentina, who also represented Chile in Fed Cup tennis.^[1]

Castro partnered with Paula Cabezas in the women's doubles event at the 1996 Atlanta Olympics, where they lost their first round match to Hungary's Virág Csurgó and Andrea Temesvári in three sets. With the same partner, Castro won a silver medal for Chile at the 1999 Pan American Games in Winnipeg.^[2]

Result	No.	Date	Tournament	Surface	Opponent	Score
Loss	1.	4 May 1995	ITF Nitra, Slovakia	Clay	Patty Schnyder	6–1, 2–6, 3–6

Result	No.	Date	Tournament	Surface	Partner	Opponents	Score
Loss	1.	2 May 1993	ITF Santiago, Chile	Clay	María-Alejandra Quezada	Maria Inés Araiz Pamela Zingman	1–6, 4–6
Loss	2.	13 September 1993	ITF Bogotá, Colombia	Clay	Magalí Benítez	Christina Zachariadou María Dolores Campana	3–6, 2–6
Loss	3.	11 October 1993	ITF Santiago, Chile	Clay	María Dolores Campana	Paola Suárez Pamela Zingman	1–6, 6–3, 0–6
Loss	4.	10 October 1994	ITF Santiago, Chile	Clay	María-Alejandra Quezada	Mariana Eberle María Fernanda Landa	3–6, 6–4, 5–7
Loss	5.	31 October 1994	ITF Freeport, Bahamas	Clay	María-Alejandra Quezada	Ingrid Kurta Martine Vosseberg	6–4, 4–6, 6–7(2)
Loss	6.	7 November 1994	ITF Santo Domingo, Dominican Republic	Clay	María-Alejandra Quezada	Joelle Schad Noelia Serra	1–5 ret.
Win	1.	20 November 1994	ITF San Salvador, El Salvador	Hard	Emilie Viqueira	Kellie Dorman-Tyrone Philippa Palmer	6–2, 6–2
Win	2.	25 September 1995	ITF Guayaquil, Ecuador	Clay	María-Alejandra Quezada	Mariana Díaz Oliva Eugenia Maia	7–6(5), 6–1
Loss	7.	8 October 1995	ITF Lima, Peru	Hard	María-Alejandra Quezada	Maria-Farnes Capistrano Linda Jansson	2–6, 6–2, 3–6
Loss	8.	30 October 1995	ITF Santiago, Chile	Clay	María-Alejandra Quezada	Miriam D'Agostini Katalin Marosi	0–6, 3–6
Win	3.	6 May 1996	ITF Amazonas, Brazil	Hard	Paula Cabezas	Sandra De Amelio Paula Racedo	6–1, 6–3

• Bárbara Castro at the Women's Tennis Association
• Bárbara Castro at the International Tennis Federation
• Bárbara Castro at the Billie Jean King Cup (archived)