Tropidophis taczanowskyi, also known commonly as Taczanowski's dwarf boa, is a species of snake in the family Tropidophiidae.

[3] The species is native to northern South America.

Both the specific name, taczanowskyi, and the common name, Taczanowski's dwarf boa, are in honor of Polish zoologist Władysław Taczanowski.

[5] The preferred natural habitat of T. taczanowskyi is forest, at altitudes of 823–2,900 m (2,700–9,514 ft).

[1] Taczanowski's dwarf boa preys upon frogs.