Alejandro Hernández Julia (Latin American Spanish: [aleˈxandɾo eɾˈnandes ˈxulja]; born October 1, 1977) is a tennis player from Mexico.

Hernández turned professional in 1995.

A right-hander, he represented his native country at the 1996 Summer Olympics in Atlanta, where he was defeated in the first round.

Hernández reached his highest singles ATP-ranking on February 24, 1997, when he became the 125th best player in the world.