Gasparia mangamuka is a species of Toxopidae spider that is endemic to New Zealand.
This species was described by Ray Forster in 1970 from a female specimen. The holotype is stored in Auckland War Memorial Museum under registration number AMNZ5053.
The female is recorded at 2.75mm in length. The carapace and abdomen have various black markings. The legs are pale yellow.
This species is only known from Mangamuka in Northland, 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".