Pentoga is an unincorporated community in Iron County, in the U.S. state of Michigan.

[2] A post office was established at Pentoga in 1900, and remained in operation until it was discontinued in 1937.

[3][4] The community was given its name by the owners of the Montambo mill.

The name Pentoga is the nickname of a Chippewa chiefs wife from the area and means bull head.

This Iron County, Michigan location article is a stub.