Langaha is a small genus of elapoid snakes in the family Pseudoxyrhophiidae.

The genus contains three species, all of which are endemic to Madagascar.They are non-venomous.

There are three described species in the genus Langaha:[1] The specific name, alluaudi, is in honor of French entomologist Charles Alluaud.

[2] The taxonomy of Langaha alluaudi and L. pseudoalluaudi is in need of revision.

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