Countess Elisabeth of Nassau-Siegen[note 1] (1488 – 3 June 1559), German: Elisabeth Gräfin von Nassau-Siegen, official titles: Gräfin zu Nassau, Vianden und Diez, was a countess from the House of Nassau-Siegen, a cadet branch of the Ottonian Line of the House of Nassau, and through marriage Countess of Wied.

[1][2][3] Elisabeth married in February 1506[1][2][3] to Count John III of Wied [de] (1485[note 2] – 18 May 1533[1][2]).

It was a double wedding, on the same day Elisabeth's younger sister Mary married to Count Jobst I of Holstein-Schauenburg-Pinneberg.

[5] Elisabeth's husband was the son of Count Frederick IV and Countess Agnes of Virneburg.

He then went to Siegen to seek the advice of Elisabeth's brother Count William I the Rich of Nassau-Siegen, and asked him to put in a good word for him with Emperor Charles V. With the Wied Family, the archbishop spent several weeks in Siegen.