Lamina montana is a species of Toxopidae spider that is endemic to New Zealand.

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

When alive, the spider is bright green in colour.

[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".

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