Gymnophthalmus leucomystax

{{short description|Species of lizard}}

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| genus = Gymnophthalmus

| species = leucomystax

| authority = Vanzolini & Carvalho, 1991

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Gymnophthalmus leucomystax, the white spectacled tegu, is a species of lizard in the family Gymnophthalmidae.{{NRDB species |genus= Gymnophthalmus |species= leucomystax |accessdate=26 July 2019}} It is found in Brazil and Guyana.