Myosotis antarctica is a species of flowering plant in the family Boraginaceae, native to mainland New Zealand, Campbell Island and southern Chile.

In 1961, Lucy Moore's treatment in the Flora of New Zealand circumscribed M. antarctica to include only plants from Campbell Island and Chile.

[4] Since then, common usage of the name M. antarctica has largely followed Moore's treatment, and morphologically similar mainland plants have been referred to as M. drucei, M. pygmaea, M. glauca and M.

[5][6] In that treatment, M. antarctica has an expanded circumscription to include plants from Campbell Island and Chile, as well as those from mainland New Zealand previously called M. drucei and M. pygmaea, and two subspecies are recognized.

[5] The type specimen of Myosotis antarctica was collected by Joseph Hooker on Campbell Island and is lodged at Kew Herbarium.

The corolla is white, cream, or blue, up to 4 mm in diameter, with a cylindrical tube, and small yellow scales alternating with the petals.

[5] Myosotis antarctica is a forget-me-not native to New Zealand, Campbell Island,[12] and southern Chile (Magallanes)[13] from 0–2200 m ASL.

[5] M. antarctica is found in habitats ranging from coastal to subalpine, including on turfs, dunes, fellfields, scree, cliff faces, and terraces.

[5] M. antarctica was listed as At Risk - Naturally Uncommon on the most recent assessment (2017-2018) of the New Zealand Threatened Classification for plants.