Aorangia ansa is a species of Stiphidiidae that is endemic to New Zealand.
This species was described by Ray Forster and Cecil Wilton in 1973 from male and female specimens. The holotype is stored in Otago Museum.
The male is recorded at 3.88mm in length whereas the female is 4.88mm. The carapace is coloured yellowish. The abdomen is mottled dark brown.
This species is only known from scattered localities throughout New Zealand.
Under the New Zealand Threat Classification System, this species is listed as "Not Threatened".