'''Judah ben Tabbai''' (''Yehuda ben Tabbai'') was a [[Pharisee]] scholar, [[Chief Justice]] of the [[Sanhedrin]] (''[[av beit din]]''), one of "the Pairs" (''[[zugot]]'') of [[Jewish]] leaders who lived in [[first century BCE]]<ref name="JE_sbs">Jewish Encyclopedia |SIMEON BEN SHEṬAḤ url=http://www.jewishencyclopedia.com/articles/13717-simeon-ben-shetah Wilhelm Bacher volume 11 page 357</ref>. Judah ben Tabbai was the founder of the Orthodox Jewish Yerushalmi "Minhag HaQaraim" of the Romaniote Jews pblished in the Austrian Empire which is not to be confused with non-Orthodox [[Karaite Judaism]].