Mesalina bahaeldini is a species of lizard in the family Lacertidae. The species is endemic to Egypt.
The specific name, bahaeldini, is in honor of Egyptian zoologist Sherif M. Baha El Din, who is the husband of the late American-born herpetologist Mindy Baha El Din.
The natural habitat of M. bahaeldini is rocky areas.
M. bahaeldini is oviparous.