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.
This article about a German countess is a stub.