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

[2] The specific name, ramsdeni, is in honor of herpetologist Charles Theodore Ramsden (1876–1951),[3] who collected the holotype in 1914.

[4] The preferred habitat of S. ramsdeni is forest.

[1] S. ramsdeni has a very large rostral which is bordered posteriorly by six scales.

The posterior margin of each caudal is convex.