State Road 238 (SR 238) was a short 6 miles (9.7 km) stretch of two-lane undivided road, mostly in Hamilton County, that traveled southeast from near Fishers (a northeast suburb of Indianapolis) to Fortville.

The western portion was concurrent with Greenfield Avenue.

In Fortville, SR 238 enters town on Merrill Street and turns onto Michigan Street.

At the intersection of Michigan Street and Main Street in Fortville is the eastern terminus of SR 238 at State Road 13.

[2] SR 238 connected Fortville and its western terminus at SR 37 in Noblesville.