David Assur Assing (12 December 1787, Königsberg – 25 April 1842, Hamburg) was a Prussian physician and poet.
He received his doctorate from the University of Göttingen in August 1807, his thesis being Materiæ Alimentariæ Lineamenta ad Leges Chemico-Dynamicas Adumbrata (lit.
In 1815 he returned to Hamburg, and the following year married Rosa Maria Varnhagen, the daughter of a physician of that city.
He also contributed lyric poems to the Musenalmanach, published by his friends Kerner and Chamisso; to the Tübinger Morgenblatt; and in Isidorus Hesperiden.
After the death of his wife on 22 June 1840, he published "Rosa Maria's Poetischer Nachlass" (Altona, 1841).