Monfort Heights is a census-designated place (CDP) in Green Township, Hamilton County, Ohio, United States, part of the Cincinnati–Northern Kentucky metropolitan area.

The community was earlier known as "Wisenburg" or "Wisenburgh"[4][5] A post office named "Monfort" was established on March 17, 1900, with Frank Lumler as its first postmaster.

The office was named in honor of Civil War Captain Elias Riggs Monfort, who was then the postmaster of Cincinnati.

It was at this restaurant that he created the iconic Filet-O-Fish sandwich to lure his Catholic customers during Lent and on Fridays.

According to the United States Census Bureau, the CDP has a total area of 5.9 square miles (15.3 km2), all land.