John III of Saxe-Lauenburg

John III
Duke of Saxe-Bergedorf-Mölln
Reign	1343–1356
Predecessor	Albert IV of Saxe-Lauenburg
Successor	Albert V of Saxe-Lauenburg
Born	mid-1330s
Died	1356
House	House of Ascania
Father	Albert IV of Saxe-Lauenburg
Mother	Beata of Schwerin
Religion	Roman Catholic

John III of Saxe-Lauenburg (mid 1330s – 1356) was the eldest son of Duke Albert IV of Saxe-Lauenburg and Beata of Schwerin (*?–before 1341*), daughter of Gunzelin VI, Count of Schwerin. John III succeeded his father in 1343 as Duke of Saxe-Bergedorf-Mölln, a branch duchy of Saxe-Lauenburg. He died without an heir and was succeeded by his younger brother Albert V.

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