Underwood's Least Gecko
Sphaerodactylus underwoodi
- Least concern
- Card rarity: Common
- Reptiles

Sphaerodactylus underwoodi, also known commonly as Underwood's least gecko or the Turks Islands geckolet, is a small species of lizard in the family Sphaerodactylidae. The species is endemic to Grand Turk Island.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Sphaerodactylidae
- Genus
- Sphaerodactylus