The Bequia dwarf gecko (Sphaerodactylus kirbyi), also called the Grenadines sphaero or Bequia sphaero, is a gecko species that is endemic to Bequia, an island in the Grenadines that is part of Saint Vincent and the Grenadines. The species is named after Dr. I. Earle Kirby, who was a government veterinarian and naturalist on St. Vincent.It reaches a length of 25 mm snout-to-vent. It is gray-brown, occasionally with a yellowish tint on its chin, throat, and the sides of its neck.