Greensboro police said a witness reported seeing a person wearing a clown mask, red curly wig, yellow spotted shirt, blue clown pants and clown shoes.
Officers also searched the area for the clown but to no avail.
Three other sightings were reported in North Carolina this week, with four sightings in South Carolina the week before.
Police in Greenville, South Carolina said clowns were trying to entice children into the woods and had also started knocking on doors.
Police said they will arrest and charge anyone involved in these incidents.