Gregorio Jesus Petit (born December 10, 1984) is a Venezuelan professional baseball former infielder and current manager for the Stockton Ports of the California League.

Petit was signed by the Oakland Athletics as an undrafted international free agent on July 17, 2001, at 16 years of age.

Petit signed a minor league contract with the Houston Astros on January 14, 2014.

[6] The Astros traded Petit to the New York Yankees for cash considerations or a player to be named later on April 1, 2015.

On January 23, 2017, Petit signed a minor league contract with the Toronto Blue Jays.

[16] On December 8, 2017, Petit signed a minor league contract with the Minnesota Twins.

[13] On December 18, 2018, Petit signed a minor league contract with the Philadelphia Phillies.

Petit served as the manager of the Corpus Christi Hooks, the Double-A affiliate of the Houston Astros in 2022.

In 2023, Petit served as the manager of the Stockton Ports, the Single-A affiliate of the Oakland Athletics.