Matachia similis is a species of Desidae spider that is endemic to New Zealand.

[1] This species was described by Ray Forster in 1970 from male and female specimens.

[1] The male is recorded at 6.41mm in length whereas the female is 8.16mm.

[1] This species is only known from Cuvier Island and Northland, New Zealand.

[2] This article related to Desidae spiders is a stub.