Mentor is an unincorporated community in Jefferson Township, Dubois County, in the U.S. state of Indiana.

[1] Mentor was founded in 1881 by Francis M. Sanders.

Sanders, an admirer of President James A. Garfield, named the settlement for Garfield's hometown of Mentor, Ohio.

[3] An old variant name of the community was called Altoga.

This Dubois County, Indiana location article is a stub.