Jesús Alexander Aguilar (born June 30, 1990) is a Venezuelan professional baseball first baseman for the Milwaukee Brewers of Major League Baseball (MLB). He made his MLB debut in 2014 with the Cleveland Indians.
Aguilar signed with the Cleveland Indians as an amateur free agent in November 2007. He spent his first two seasons with the Dominican Summer League Indians. After splitting 2010 between two minor league teams, he hit 23 home runs during the 2011 season between the Lake County Captains of the Class A Midwest League and the Kinston Indians of the Class A-Advanced Carolina League. Aguilar and Francisco Lindor represented the Indians in the 2012 All-Star Futures Game.  The Indians invited Aguilar to spring training in 2013 as a non-roster invitee. 
Playing for the Akron Aeros of the Class AA Eastern League in 2013, Aguilar had a .275 batting average, 28 doubles, 16 home runs, and 105 runs batted in (RBIs),  setting an Akron franchise record in RBIs.  He was added to the Indians 40-man roster on November 20, 2013. 
Starting the 2014 season with the Columbus Clippers of the Class AAA International League, Aguilar batted .298 with seven home runs and 19 RBIs in 37 games, before the Indians promoted him to the major leagues on May 15, 2014.  He was returned to Columbus on June 6 after playing in eight games for the Indians.
Aguliar began the 2015 season with Columbus. He was named the International League's starting first baseman in the Triple-A All-Star Game.  The Indians promoted Aguilar back to the major leagues on July 24. 
In 2016, Aguilar led the International League with 30 home runs and 92 RBIs. However, the Indians designated Aguilar for assignment on January 26, 2017.  He was claimed off waivers by the Milwaukee Brewers on February 2, 2017.  After a strong performance during spring training in 2017, Aguilar made the Brewers' Opening Day roster. 
Aguilar was born to Jesus and Maria Aguilar, and is the youngest of three children.