Homalopoma nana is a species of a minute sea snail, a marine gastropod mollusc in the family Colloniidae.
This species occurs in New Zealand.
Homalopoma nana was originally discovered and described as Argalista nana by Harold John Finlay in 1930. Finlay's original text (the type description) reads as follows:
This article incorporates public domain text coming from New Zealand from reference.