Karna () was a rabbi of Babylonia, of the first generation of amoraim. In the Babylonian Talmud he appears simply as Karna; in the Jerusalem Talmud he is entitled Rav Karna.
He was a colleague of Samuel of Nehardea and Rav, and served as a rabbinic judge. The phrase "Judges of the Exile" in the Babylonian Talmud is an epithet attributed to Karna and Samuel of Nehardea.Sanhedrin 17b
He wrote a compilation of Baraitas to Seder Nezikin, known as Nezikin of the School of Karna.i.e: Babylonian Talmud, Bava Kamma 47b He made his living from testing wine quality.Ketuvot 105a
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