Franz Graf zu Erbach-Erbach (29 October 1754 – 8 March 1823) was a German nobleman and art collector.
Franz was born in Erbach im Odenwald in 1754 as the only son of Count Georg Wilhelm von Erbach-Erbach-Reichenberg (1686-1757) and his second wife, Countess Leopoldine zu Salm-Grumbach (1731-1795).
He also traveled extensively to London, Brussels, The Hague, Berlin, Dresden, and Italy.
While he was in Rome, he met several people that would become influential in his life, among them Ennio Quirino Visconti and Johann Friedrich Reiffenstein.
He married firstly Charlotte Luise Polyxena, Countess zu Leiningen (1755-1785) and had children: After the death of his first wife, Franz married again, to her first cousin, Countess Luise Polyxena Charlotte Kolb von Wartenberg (1755-1844), widow of his cousin Count Friedrich August zu Erbach-Fürstenau (1754-1784) and daughter of Count Friedrich Karl Kolb von Wartenberg (1725-1784) and his wife, Countess Karoline Polyxene zu Leiningen-Dagsburg-Hartenburg (1728-1782).