Olivia is an unincorporated community centered in the Barbecue Township of Harnett County, North Carolina, United States, but also covering parts of Anderson Creek Township near the Lee County line.

It is a part of the Dunn Micropolitan Area, which is also a part of the greater Raleigh–Durham–Cary Combined Statistical Area (CSA) as defined by the United States Census Bureau.

1.8% of people are two or more races and there is one person of Native descent American Indians.

The median household income is $20,500 with 31.3% of the population living below the poverty line.

This article about a location in Harnett County, North Carolina is a stub.