Dent is a census-designated place (CDP) in Green Township, Hamilton County, Ohio, United States.

Dent was originally known as Challensville in the 19th century, named for the local minister Rev.

[4] A post office called Challensville was established in 1843, the name was changed to Dent in 1846 at the urging of local resident and then-state representative Charles Reemelin.

Reemelin was said to have disliked naming places after people and instead thought that "Dent" represented the geography of the area, with the depression of the land just east of Harrison Pike.

[7] According to the United States Census Bureau, the CDP has a total area of 5.9 square miles (15.4 km2), all land.

26.3% of all households were made up of individuals, and 12.6% were someone living alone who was 65 years of age or older.

There were 3,369 housing units at an average density of 560.9 per square mile (216.6/km2).

28.1% of all households were made up of individuals, and 10.3% had someone living alone who was 65 years of age or older.