Nesopupa is a genus of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Nesopupinae of the family Vertiginidae.

[2] Nesopupa is the type genus of the subfamily Nesopupinae within the Vertiginidae.

[3] The distribution of the genus Nesopupa includes Hawaii, Federated States of Micronesia,[4] Palau,[5] Guam,[6] the Cook Islands,[7] Mauritius,[8] Réunion[9] and Saint Helena.

[10] Species within the genus Nesopupa include: