| Eric II | |
| Officially: Duke of Saxony, Angria and Westphalia | |
| Titletext: | Colloquially: Duke of Saxe-Lauenburg or Duke of Saxe-Ratzeburg-Lauenburg |
| Succession: | Duchy of Saxe-Ratzeburg-Lauenburg |
| Reign: | 1338 - 1368 |
| Pre-Type: | Predecessor |
| Suc-Type: | Successor |
| Spouse: | Agnes of Holstein |
| Issue: | Agnes, Duchess of Brunswick-Lüneburg Eric IV Jutta, Duchess of Pomerania-Wolgast Matilda, abbess |
| Issue-Link: | Eric II of Saxe-Lauenburg#Marriage and issue |
| House: | House of Ascania |
| Father: | Eric I, Duke of Saxe-Lauenburg |
| Mother: | Elisabeth of Pomerania |
| Birth Date: | 1318 |
| Death Date: | 1368 |
| Religion: | Roman Catholic |
Eric II of Saxe-Lauenburg (1318/1320 – 1368) was a son of Duke Eric I of Saxe-Lauenburg and Elisabeth of Pomerania (*1291–after 16 October 1349*), daughter of Bogislaw IV, Duke of Pomerania. Eric II succeeded his father, after his resignation in 1338, as duke of Saxe-Ratzeburg-Lauenburg, a branch duchy of Saxe-Lauenburg.
Eric II and his cousin Albert V of Saxe-Bergedorf-Mölln ravaged merchants and other travellers passing their duchies. In 1363 the city of Hamburg and Adolphus IX (aka VII) the Mild,[1] Count of Schauenburg and Holstein-Kiel, supported by his relative Prince-Archbishop Albert II of Bremen, freed the streets northeast of the city from the brigandage by Eric II and Albert V, conquering the latter's castle in Bergedorf.
In 1342 or 1343 Eric married Agnes of Holstein (?–1386/7), daughter of John III, Count of Holstein-Plön, and they had the following children:
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