Shamshi-Adad III

{{Infobox monarch|

| name = Shamshi-Adad III

| title = Issi'ak Assur

| succession = King of Assur

| reign = {{circa}} 1563–1548 BC{{Cite book|last=McIntosh|first=Jane R.|url=https://books.google.com/books?id=9veK7E2JwkUC|title=Ancient Mesopotamia: New Perspectives|publisher=ABC-CLIO|year=2005|isbn=1-57607-965-1|location=Santa Barbara|page=355}}

| predecessor = Ishme-Dagan II

| successor = Ashur-nirari I

| father = Ishme-Dagan II

}}

Shamshi-Adad III was the King of Assyria from {{Circa}} 1563 BC to 1548 BC. He was the son of Ishme-Dagan II. He is known from an inscription where he reports having repaired two of the ziggurats.{{cite book|author=Gwendolyn Leick|title=Who's Who in the Ancient Near East|url=https://books.google.com/books?id=nAGFAgAAQBAJ&pg=PA148|date=31 January 2002|publisher=Routledge|isbn=978-1-134-78796-8|pages=148–}}{{cite book|author=Albert Kirk Grayson|title=Assyrian Royal Inscriptions: From the beginning to Ashur-resha-ishi I|url=https://books.google.com/books?id=psmYIYJZCnoC&pg=PA32|year=1972|publisher=Otto Harrassowitz Verlag|isbn=978-3-447-01382-6|pages=32–}}