Julio Daniel Ferreyra (1 July 1942 – 5 August 2023) was an Argentine politician who served as National Deputy representing Jujuy Province.

A member of the Justicialist Party, Ferreyra was Director of the Jujuy Civil Registry for twenty years, from 1999, until being elected to Congress in 2019.

He would serve in the position for the following twenty years, being renewed by the administrations of Walter Barrionuevo and Gerardo Morales.

[4] Ferreyra was the Justicialist Party's nominee to compete in the 2019 gubernatorial election in Jujuy; he faced off the Radical Civic Union–Cambiemos's candidate, incumbent governor Morales.

[5] Ahead of the 2019 legislative election, Ferreyra was nominated, alongside Carolina Moisés, to run for Jujuy's seats in the Argentine Chamber of Deputies, as part of the Frente de Todos list.