| Dorothea Augusta of Schleswig-Holstein-Gottorp | |
|---|---|
| Born | 12 May 1602 |
| Died | 13 March 1682 (aged 79) |
| Noble family | House of Oldenburg |
| Spouse(s) | Joachim Ernest, Duke of Schleswig-Holstein-Sonderburg-Plön |
| Father | John Adolf, Duke of Holstein-Gottorp |
| Mother | Augusta of Denmark |
Dorothea Auguste (12 May 1602 – 13 March 1682) was a German noblewoman. She was a daughter of John Adolf, Duke of Holstein-Gottorp and Princess Augusta of Denmark.
She married in 1633 to Joachim Ernest, Duke of Schleswig-Holstein-Sonderburg-Plön. Joachim Ernest and Dorothea Augusta had six children: