Ichneutica barbara is a moth of the family Noctuidae.

This species has a grey forewing and is visually very similar in appearance to its close relative I. omicron.

[2] The holotype is a male specimen collected by Brian Patrick at Portobello in Dunedin in October and held in the New Zealand Arthropod Collection.

[2] The only visual difference is in the males of those specie with I. barbara having a yellowish anal tuft where as the male of the I. omicron has a grey anal tuft.

[3] This species is thought to possibly to inhabit shrubland localities.