Andres is an unincorporated community and census designated place (CDP) in Will County, Illinois, United States.

It is located south of Frankfort and west of Peotone on U.S. Route 45.

The Chicago, Milwaukee, and Gary Railroad, a subsidiary of the Chicago, Milwaukee, St. Paul & Pacific Railroad, used to pass through on its route from Momence to Joliet.

Andres is part of Peotone Community School District 207-U.

Andres first appeared as a census designated place in the 2020 U.S.