Aaron Jon Schock (born May 28, 1981) is the United States Representative for Illinois's 18th congressional district, serving since 2009. He is a member of the Republican Party.
The district is based in Peoria and includes part of Springfield. At the age of 33, Schock is both the second youngest currently serving U.S. representative, after Patrick Murphy of Florida, and the first member of the U.S. Congress born in the 1980s.
Previously, Schock served two terms in the Illinois House of Representatives and was its youngest member.