Wiltonia elongata 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 a male specimen collected in Nelson.

[1] The holotype is stored in the New Zealand Arthropod Collection under registration number NZAC03015015.

This species has patterning on the dorsal surface of the carapace and abdomen.

[1] This species is only known from Richmond Range in Nelson, New Zealand.