Bachia pyburni is a species of lizard in the family Gymnophthalmidae. The species is endemic to South America.
The specific name, pyburni, is in honor of American herpetologist William Frank "Billy" Pyburn (1927–2007).
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B. pyburni is found in northern Brazil, southeastern Colombia, and southern Venezuela.
The preferred habitat of B. pyburni is forest at altitudes of about 150 m (490 ft).
B. pyburni is oviparous.