Jair José Díaz Villegas (born 3 July 1980) is a Venezuelan football manager.
Born in Caracas, Díaz began his career at Colegio Los Arcos in 2003.
In 2010, he joined Atlético Venezuela's youth setup,[1] and worked as manager of the under-20 squad.
[2] In September 2015, Díaz was named José Hernández's assistant at the Venezuela under-17 national team.
[4] On 1 November 2020, Díaz returned to Atlético Venezuela, now named manager of the first team in the Primera División.