Wiltonia porina is a species of Orsolobidae that is endemic to New Zealand.

[1] This species was described in 1985 by Ray Forster and Norman Platnick from male and female specimens collected in Otago.

The holotype is stored in Otago Museum.

The carapace and abdomen are patterned dorsally.

[1] 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".