Alfonso Reyes Cabanás (born September 19, 1971) is a retired Spanish professional basketball player.

He announced his retirement from playing professional basketball in May 2007.

[3] After he retired from playing professional club basketball, Reyes became a civil engineer.

[4] He also served as the President of the Spanish Basketball Men's Players' Union (ABP).

Reyes' younger brother, Felipe, is also a professional basketball player.