The Bay Island least gecko (Sphaerodactylus rosaurae) is a species of lizard in the family Sphaerodactylidae.

The species is endemic to the Bay Islands in Honduras.

[2] The specific name, rosaurae, refers to Lord Moyne's yacht Rosaura,[3] from which the holotype was collected.

[2] The preferred habitat of S. rosaurae is forest at altitudes of 0–20 m (0–66 ft).

This article about a Sphaerodactylus is a stub.