Philip III, Count of Nassau-Weilburg (d. 1559)

Philip III, Count of Nassau-Weilburg (20 September 1504 at Neuweilnau Castle in Weilrod – 4 October 1559 in Weilburg) was a Count of the Nassau-Weilburg. Among his major achievements were the introduction of the Reformation, the foundation of the Gymnasium Philippinum in Weilburg and the start of the construction of Schloss Weilburg.