Abraham Judah ha-Kohen Schwartz (1824–1883), also known by his responsa as the Kol Aryeh, was one of the leading Hungarian rabbis of the nineteenth century. He was a student of Moses Sofer and Benjamin Wolf Low. From 1861 to 1881 he served as the Rabbi of Beregszasz, Hungary and then until 1883 in his native town of Mad. He was an active participant in the rabbinical gathering in Nagymihaly in 1866 and at the congress held in Budapest in 1869.