| Anna Catherine of Nassau-Ottweiler | |
| Noble Family: | House of Nassau |
| Father: | John Louis, Count of Nassau-Ottweiler |
| Mother: | Countess Palatine Dorothea Catherine of Birkenfeld-Bischweiler |
| Spouse: | John Philip II, Wild- and Rhinegrave of Salm-Dhaun |
| Birth Place: | Ottweiler |
| Death Place: | Ottweiler |
Anna Catherine of Nassau-Ottweiler (31 January 1653 - 15 February 1731) was a daughter of John Louis, Count of Nassau-Ottweiler and his wife, Countess Palatine Dorothea Catherine of Birkenfeld-Bischweiler. She was styled "Countess of Nassau-Ottweiler".
She was born in Ottweiler, and married on 11 November 1671, at the age of 18, John Philip II, Wild- and Rhinegrave of Salm-Dhaun. They had seven children:
She died in her native city of Ottweiler.