Heterodactylus lundii, also known commonly as Lund's teiid, is an endangered species of lizard in the family Gymnophthalmidae. The species is endemic to Brazil.
The specific name, lundii, is in honor of Danish paleontologist Peter Wilhelm Lund.
Heterodactylus lundii has an elongated body and very small legs. It may attain a snout-to-vent length (SVL) of . The tail length is about twice the SVL.
Heterodactylus lundii is found in the Brazilian state of Minas Gerais.
The preferred natural habitat of Heterodactylus lundii is savanna, at altitudes of .
Heterodactylus lundii is terrestrial and fossorial.
Heterodactylus lundii is oviparous. Clutch size is only two eggs.