English: The secret rabbinical teachings concerning Christians) is a book published in 1892 by Justinas Bonaventure Pranaitis (1861–1917).

Pranaitis drew on the earlier works of Jakob Ecker and August Rohling.

[1] Scholars classify "The Talmud Unmasked" as an anti-semitic and anti-Talmudic work, comparable to "Der Talmud Jude" by August Rohling (1871) and "The Traditions of the Jews" by Johann Eisenmenger (1700).

[6] His ignorance of some simple Talmudic Aramaic concepts and definitions, such as "hullin", was demonstrated during the Menahem Mendel Beilis blood libel case in which he testified as a "Talmud expert".

[7][8] Jeffrey Kaplan describes how the book was used by cults to support apocalyptic theories, particular relating to the end-of-times.