Inmaculada Concepción "Conchita" Martínez Bernat is a Spanish former professional tennis player and current coach. She was the first Spaniard to win the women's singles title at Wimbledon, doing so in 1994. Martínez also was the runner-up at the 1998 Australian Open and the 2000 French Open. She reached a career-high ranking of world No. 2 in October 1995, and was in the year-end top 10 for nine years. Martínez won 33 singles and 13 doubles titles during her 18-year career, as well as three Olympic medals. She was inducted into the International Tennis Hall of Fame in 2020.
A five-time winner of the Fed Cup as a player, Martínez was the Spanish team captain from 2013 to 2017 and the Spanish Davis Cup team captain from 2015 to 2017, leading the Davis Cup team back into the top-tier World Group under her captaincy. She has also served as a part-time coach to Garbiñe Muguruza, guiding her to the 2017 Wimbledon Championships title, and was the full-time coach to Karolína Plíšková through 2018 and 2019. She began coaching Muguruza on a full-time basis in November 2019. Martínez won the 2021 WTA Coach of the Year award for her work coaching Muguruza.