Arnold's leaf-toed gecko (Hemidactylus arnoldi) is a species of lizard in the family Gekkonidae.

The specific name, arnoldi, is in honor of British herpetologist Edwin Nicholas "Nick" Arnold.

[2] H. arnoldi is found in northwestern Somalia.

[3] The preferred habitats of H. arnoldi are rocky areas and shrubland, at an altitude of 500 m (1,600 ft).

The holotype, an adult female, has a snout-to-vent length (SVL) of 8.2 cm (3.2 in).