Manuel Alberto Diaz (born November 5, 1954) is a Cuban-American politician who served as the chair of the Florida Democratic Party from 2021 to 2023.

Diaz's law firm was hired to represent Lázaro Gonzalez in the custody case over his grand-nephew Elián González.

Diaz's participation in the trial and presence at the González household during the April 22, 2000, raid propelled him to national prominence.

[7] When he first took office, Miami city government was bankrupt, held junk bond status, and was under a state financial oversight board.

His daughter, Natalie, recently received her master's degree in public health with honors from Florida International University.

His daughter, Elisa, received her Juris Doctor in June of 2021 from the Florida International University College of Law.