Joseph ben Kalonymus ha-Nakdan (; ) was a German grammarian, Masorite, and poet. He was the grandson of grammarian Samson Ha-Nakdan.

He was the author of a long acrostic poem on the accents, with a commentary. Joseph also composed several piyyutim. Among his known works are:

('Mighty in the Heights') and ('Exalted Kings'), both preserved in a French maḥzor dated to 1278; A kinah beginning with ; and A seliḥah beginning with , in memory of the martyrs of the 1235 blood libel massacre in Fulda.

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