Countess Augusta Caroline Reuss of Ebersdorf and Lobenstein (German: Gräfin Reuß zu Ebersdorf und Lobenstein) (19 January 1757 – 6 November 1831), was the daughter of Count Heinrich XXIV Reuss (1724-1779) and his wife Countess Karoline Ernestine of Erbach-Schönberg (1727-1796).
She was born in Ebersdorf. She married, on 13 June 1777, at Ebersdorf, Franz Friedrich, Duke of Saxe-Coburg-Saalfeld.
Their children were:
- Sophie (1778-1835)
- Antoinette (1779-1824)
- Juliane (1781-1860)
- Ernst I (1784-1844)
- Ferdinand (1785-1851)
- Viktoria (1786-1861)
- Marianne Charlotte (1788-1794)
- Léopold I (1790-1865), King of the Belgians from 1831
- Maximilian (1792-1793)
As a matrilineal ancestor of Victoria of the United Kingdom, she and all her female-line descendants are members of mitochondrial haplogroup H.