Mesalina arnoldi is a species of sand-dwelling lizard in the family Lacertidae.

The species is endemic to Yemen.

[1] The specific name, arnoldi, is in honor of British herpetologist E. Nicholas "Nick" Arnold.

[1] The preferred habitat of M. arnoldi is sparsely-vegetated rocky plateaus at elevations of 1,300–2,800 m (4,300–9,200 ft).

This lizard from family Lacertidae article is a stub.