Laetesia peramoena is a species of sheet weaver endemic to New Zealand.

[1] This species was described as Linyphia peramoena in 1879 by Octavius Pickard-Cambridge from male and female specimens.

[3] This species is only known from the South Island of New Zealand.

This species has an orange carapace with a dark stripe medially.

[4] Under the New Zealand Threat Classification System, this species is listed as "Not Threatened".