Rosir Calderón Díaz (born 28 December 1984) is a Cuban-born Russian volleyball player who was a member of the Cuban women's national team that won the bronze medal at the 2004 Summer Olympics in Athens.

[8] Calderón played the 2005 FIVB World Grand Prix helping her team to reach the fourth place[9] and earning the Best Spiker award.

[1] Calderón was signed by the Swiss club Voléro Zürich in a five-year contract in February 2011[16][17] and transferred on loan to Galatasaray in August 2011.

[22] After being transfer on loan to the Russian Club Dinamo Krasnodar with a three-year contract,[23] Calderón won the gold medal and the Most Valuable Player at the Basel's Top Volley International tournament.

[25] Taking the Golden Set, Calderón's Dinamo Krasnodar won the 2014–15 CEV Cup defeating the Polish club PGE Atom Trefl Sopot in Poland.