The peninsula least gecko (Sphaerodactylus clenchi) is a species of lizard in the family Sphaerodactylidae. The species is endemic to the Dominican Republic.
The specific name, clenchi, is in honor of American malacologist William James "Bill" Clench, who collected the holotype.
The preferred natural habitat of S. clenchi is forest, at elevations from sea level to 305 m (1,001 ft).
S. clenchi is oviparous.
