Homalopoma nana is a species of a minute sea snail, a marine gastropod mollusc in the family Colloniidae.

Distribution This species occurs in New Zealand.Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979

Original description 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:

References This article incorporates public domain text coming from New Zealand from reference.Finlay H. J. 1930. Additions to the Recent Molluscan Fauna of New Zealand. No. 3. Transactions and Proceedings of the Royal Society of New Zealand. Volume 61, page 222-247.