Carlos Alberto Arroyo Bermúdez (born July 30, 1979) is a Puerto Rican professional basketball player who currently plays for Leones de Ponce of the Baloncesto Superior Nacional. Arroyo had previously played in the National Basketball Association with the Toronto Raptors, Denver Nuggets, Utah Jazz, Detroit Pistons, Orlando Magic, Miami Heat, and Boston Celtics. In the 2008–09 season, he played for Maccabi Tel Aviv in the Israeli Basketball Super League, winning the league's championship, and being named the Final's Most Valuable Player. He has also played professionally in Puerto Rico, Spain and Turkey.
Arroyo was a member of the Puerto Rican national basketball team that defeated the United States at the 2004 Olympic Basketball Tournament. He also represented Puerto Rico at the 2006 FIBA World Championship in Japan.
Carlos Arroyo was born and raised in Fajardo, Puerto Rico. He is an identical twin, born along his brother Alberto. Arroyo is a cousin of the Academy Award winning Puerto Rican actor Benicio del Toro. Arroyo graduated from Colegio Santiago Apostol in Fajardo.