Olar is a town in Bamberg County, South Carolina, United States.

[5] The Mizpah Methodist Church was listed on the National Register of Historic Places in 2000.

According to the United States Census Bureau, Olar has a total area of 0.77 square miles (2.0 km2), all of it land.

34.2% of all households were made up of individuals, and 17.1% had someone living alone who was 65 years of age or older.

About 7.7% of families and 10.3% of the population were below the poverty line, including none of those under the age of eighteen and 9.5% of those 65 or over.