Speer is an unincorporated community in Stark County, Illinois, United States, located 8 miles (13 km) southeast of Wyoming.

Speer has a post office with ZIP code 61479.

[2] A post office called Speer has been in operation since 1902.

[3] The community was named for E. K. and E. M. Speer, the original owners of the town site.

This Stark County, Illinois location article is a stub.