Carlos Alberto Arroyo Bermúdez (born July 30, 1979 in Fajardo, Puerto Rico) is a Puerto Rican professional basketball player currently playing for the Miami Heat in the National Basketball Association (NBA). Arroyo is the fifth player from Puerto Rico to play in the NBA. 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.
Arroyo has played in the NBA, NCAA, and the National Superior Basketball League of Puerto Rico (BSN) with the Cangrejeros de Santurce and Fajardo. Arroyo has also played internationally in Spain. 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.
Arroyo began his career in the National Superior Basketball League of Puerto Rico, where he debuted with the Fajardo Cariduros and subsequently played for the Santurce Crabbers, where he was a teammate of then starting center of the Puerto Rico National Basketball Team, José Ortiz. During his participation with the team the Crabbers won four consecutive national titles in 1998, 1999, 2000, 2001 and 2003, winning five league championships in six years.