Jean Claudio Montero Berroa (born 3 July 2003) is a Dominican professional basketball player for Valencia of the Spanish Liga ACB and the EuroCup.

[5] After having success at the 2019 FIBA Under-16 Americas Championship in June 2019, Montero received offers from clubs in Spain and high schools in the United States.

He earned MVP honors of the competition after posting 30 points, six rebounds and seven assists in an 88–72 win over Unicaja's under-18 team in the title game.

[12] On 27 September 2020, Montero made his debut for Gran Canaria's senior team in the ACB, recording five points and three rebounds in 10 minutes in an 88–71 loss to Zaragoza.

[14] On 17 March 2021, Montero posted 27 points, six rebounds, and six assists in an 82–54 win against Navarra, and was named MVP of Round 21 in the LEB Plata.

[21] Shortly before turning 14 years old, Montero made his national team debut for the Dominican Republic at the 2017 FIBA Under-16 Americas Championship in Formosa, Argentina.

[23] In December 2018, at the Centrobasket Under-15 Championship in Hermosillo, Montero was named tournament MVP after averaging 25.8 points, eight rebounds and five assists and winning a gold medal.

[25] In July 2018, Montero led the Dominican Republic to fourth place at the Centrobasket Under-17 Championship in San Juan, Puerto Rico.

[6] In August 2019, at age 16, Montero was one of 17 players to join the Dominican Republic senior national team for training camp in preparation for the 2019 FIBA Basketball World Cup in China.