Trachylepis bayonii, also known commonly as Bayão's skink, Bayon's mabuya, and Bayon's skink, is a species of lizard in the family Scincidae. The species is endemic to Africa. There are two subspecies.

Etymology The specific name, bayonii, is in honor of Francisco Antonio Pinheiro Bayão, who was a Portuguese planter in Angola. (Trachylepis bayonii, p. 20)

Geographic range T. bayonii is found in Angola, Kenya, Tanzania, and Uganda.

Habitat The preferred natural habitats of T. bayonii are grassland and shrubland, at altitudes of .

Reproduction T. bayonii is viviparous.

Subspecies Two subspecies are recognized as being valid, including the nominotypical subspecies. Trachylepis bayonii bayonii Trachylepis bayonii keniensis

Nota bene: A trinomial authority in parentheses indicates that the subspecies was originally described in a genus other than Trachylepis.

References

Further reading (Euprepes bayonii, new species, p. 75) (Mabuia bayonii, new combination, p. 201) (Mabuya bayoni huilensis, new subspecies, p. 67) (Mabuya bayonii keniensis, new subspecies, pp. 2–4)