Rav Kahana bar Taḥlifa (כהנא בר תחליפא) was a Jewish Talmudist who lived in Babylonia, known as an amora of the third century CE.
Kahana b. Tahlifa apparently emigrated to Palestine, perhaps in company with Rabbi Zeira; for Yerushalmi Avodah Zarah 2:9 mentions him together with Zeira and with Hanan b. Bo.
This is not certain, however; for the passage reads: "R. Zeira, Kahana b. Taḥlifa, and Hanan b. Bo," which may be rendered also "R. Zeira Kahana" ("the priest"), since Zera was a priest.
This article incorporates text from a publication now in the public domain: Solomon Schechter and Jacob Zallel Lauterbach (1901–1906).
This biographical article about a rabbi from the Middle East is a stub.