Beck's least gecko (Sphaerodactylus becki) is a species of lizard in the family Sphaerodactylidae.

The species is endemic to Navassa Island.

[2] The specific name, becki, is in honor of American ornithologist Rollo Howard Beck.

[3] The preferred habitat of S. becki is dry forest.

[1] S. becki hides in leaf litter and under rocks.