Camillina biplagia is a species of spider in the family Gnaphosidae. It is endemic to South Africa and is commonly known as the pearly-eyed ground spider.
Camillina biplagia is endemic to South Africa, where it occurs in five provinces: Eastern Cape, KwaZulu-Natal, Northern Cape, North West, and Western Cape.
The species is a free-living ground dweller found at altitudes ranging from sea level to 1,205 m above sea level. It has been sampled from Fynbos, Nama Karoo, Savanna, Succulent Karoo, and Thicket biomes.
C. biplagia is known from both sexes.
Camillina biplagia is listed as Least Concern by the South African National Biodiversity Institute due to its wide distribution range. The species is protected in four protected areas: Mountain Zebra National Park, Ndumo Game Reserve, Tembe Elephant Park, and Table Mountain National Park.
The species was described by Tucker in 1923 from Great Winterhoek Mountains. It was revised by Platnick & Murphy in 1987.