Brenda Castillo (born June 5, 1992, in San Cristóbal) is a volleyball player from the Dominican Republic and plays as a libero.

[6] She started practicing volleyball when she was ten under the guidance of coach Valentín Arias Pérez in the club Siglo XXI.

Castillo used to arrive late to national team practices because of a problem with alcohol,[11] but decided to change her life in order to help herself and her family.

[37] Shortly afterwards Castillo claimed with her Senior Team the gold medal at the 2008 Women's Pan-American Volleyball Cup in Mexico as a sixteen-year-old.

[39] During the Holy Week Sport Festival held in Hato Mayor, Castillo played Beach Volleyball (three) with Yenifer Calcaño and Evelyn Carrera winning the Gold Medal of the event.

[42] In June 2009, at the 2010 World Championship NORCECA Qualification Pool H, at Santiago de los Caballeros, Dominican Republic, she took the public ovation at the Gran Arena del Cibao winning the Best Digger, Best Receiver, Best Libero and MVP awards.

[45] She won the Best Digger, Best Receiver, Best Libero awards and the bronze medal with her team at the 2009 Final Four Cup held in Lima, Peru.

[49] She started the 2010 year winning the Best Libero, Digger and Receiver awards at the 2010 Pan-American Cup, won by her home team playing in Rosarito and Tijuana.

[50] Two weeks after the Pan-Am cup, she won the silver medal and the "Best Libero, Digger and Receiver awards at the 2010 NORCECA Junior Continental Championship U-20.

[54] She later played in Chiapas, Mexico winning the Best Libero and Best Receiver awards,[55] along with the gold medal with her National Senior Team at the 2010 Final Four Cup.

[66] Brenda won the silver medal and the Best Libero, Best Digger and Best Receiver awards at the 2011 NORCECA Championship, held in Caguas, Puerto Rico.

[73] But about one month later, the National Team doctor gynaecologist Albert Fiorinelli Milciades Camilo, announced that Castillo suffered a spontaneous abortion after 19 weeks of pregnancy.

[85] As one of the 15 women awarded by the Dominican Republic Olympic Committee in her sport,[86] Castillo won the 2012 Volleyball Player of the Year.

[87] Castillo was one of the candidates for the top prize, the Dominican Republic Athlete of the year, along with Félix Sánchez, Luguelín Santos, Yamilet Peña and Aumi Guerra.

[92] Her team defeated the Italian club Unendo Busto Arsizio 3–2 in the semifinals,[93] but lost 3–0 in the championship match to the Turkish VakıfBank.

[106] She would later apologize for her previous behavior and promised to change her attitude,[107] being then readmitted in the national team[108] just in time to take part in the 2013 FIVB World Grand Prix.

[5] She helped her team to reach the 10th position in the competition,[109] posting a 3.69 digs per set average, topping all the diggers in the preliminary round.

[124] She later commented that she felt lucky for playing another year with Rabita Baku and dedicated the club's recent triumph to their fans.

[146] Castillo returned to Rabita with the ambition of repeating the league championship and later announced a three years deal until 2017 with her Azerbaijani club,[6] before joining again her national team in the volleyball tournament at the Central American and Caribbean Games.

[147] After her comments that being favorite[148] make them work harder,[149] she helped her national team to win their fourth consecutive gold medal.

[155] After a four sets win over Agel Prostějov, only the second win in their Pool A of Castillo's professional team, Rabita Baku in the 2014–15 CEV Champions League[156] but the team were in the middle of a financial crisis[157] and they then lost 0–3 to Dinamo Kazan despite their good reception and defense,[158] and lost 2–3 to Chemik Police in the last Champions League season match.

[177] Castillo played the Pan-American Cup in Peru, winning the silver medal when her national team lost to the United States 0–3 in the championship match.

[69] On early October, Castillo was awarded Best Libero and Best Digger after her national team lost 1-3 the NORCECA Championship gold medal match against the United States.

[190] After receive a special salute for that accomplishment from the Women's and Sports commissioner of the Dominican Republic Olympic Committee Dulce Piña,[191] she was sidelined from her national team[192] who won the gold in the World Grand Prix Group II along with Prisilla Rivera to give them a rest.

[195] Her team performed with 5–0 in the pool play[196] before defeating Cuba 3-0[197] and finally to Puerto Rico once again, this time 3–2 to win the gold medal and a berth for the 2017 FIVB World Grand Prix.

[202] Genter Vôlei Bauru reached for the first time a Brazilian Superliga quarterfinals berth,[203] but they were defeated by Minas 0–2 in the best-of-three playoff.

[205] However, Castillo was chosen among the tournament's best players, winning the Best Digger individual award,[206] after she spent the season leading those statistics.

[203] She was called up to the 2017 FIVB World Grand Prix[209] and her national team finished the first round in the Netherlands with a 2–1 mark,[210] But on the way to the second leg in Russia, making a stop in Warsaw, their LOT Polish Airlines flight check found Marianne Fersola, Niverka Marte and Castillo's passports full[211] and could not be stamped anywhere refusing to board them and the whole team decided to stay together.

[215] The Russian police raided the Dominican team hotel suspecting involvement in white-slave traffic from Latin-American to Russia[216] and Castillo was jailed for two days.

[224] At the 2018 Central American and Caribbean Games, Castillo won with her team the gold medal and the Best Libero and Best Digger individual awards.