| Elisabeth of Brunswick-Grubenhagen | |
|---|---|
| Duchess of Schleswig-Holstein-Sonderburg | |
 | |
| Reign | 1568 – 1586 |
| Born | 20 March 1550 |
| Died | 11 February 1586 |
| Burial | |
| Spouse | John of Schleswig-Holstein-Sonderburg |
| Issue | Dorothea, Duchess of Legnica Christian, Duke of Schleswig-Holstein-Sonderburg-Ærø Alexander, Duke of Schleswig-Holstein-Sonderburg Marie, Abbess of Itzehoe John Adolph, Duke of Schleswig-Holstein-Sønderburg-Norburg Anna, Duchess of Pomerania Sophia, Duchess of Pomerania-Stettin Elisabeth, Duchess of Pomerania Frederick, Duke of Schleswig-Holstein-Sonderburg-Norburg Margarete, Countess of Nassau-Siegen Philip, Duke of Schleswig-Holstein-Sonderburg-Glücksburg |
| Father | Ernest III of Brunswick-Grubenhagen |
| Mother | Margaret of Pomerania |
Elizabeth of Brunswick-Grubenhagen (20 March 1550 – 11 February 1586) was the first wife of Duke John of Schleswig-Holstein-Sonderburg, the son of King Christian III of Denmark.