Cambridgea ramsayi is a species of Desidae that is endemic to New Zealand.
This species was described in 1973 by Ray Forster and Cecil Wilton from male and female specimens. The holotype is stored in Otago Museum.
The male is recorded at 5.48mm in length whereas the female is 5.3mm. The carapace is coloured dark red brown. The legs are orange brown. The abdomen is creamy black shading and also white markings laterally.
This species is only known from Taranaki, New Zealand.
Under the New Zealand Threat Classification System, this species is listed as "Data Deficient" with the qualifiers of "Data Poor: Size", "Data Poor: Trend" and "One Location".