Trevlac is an unincorporated community in Jackson Township, Brown County, in the U.S. state of Indiana.

[1] The Trevlac Bluffs Nature Preserve, a privately owned and administered reserve, lies to the east and south of the town.

[3] Trevlac was the name of Colonel Calvert, reversed.

[5] But there was already a Calvert, Indiana, so the Post Office said a different name would be needed.

This Brown County, Indiana location article is a stub.