Countess Adriana of Nassau-Siegen[note 1] (7 February 1449 – 15 January 1477), German: Adriana Gräfin von Nassau-Siegen, official titles: Gräfin zu Nassau, Vianden und Diez, Frau zu Breda, 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 Hanau-Münzenberg.

Adriana was born in Breda on 7 February 1449[1][2][3] as the fourth daughter of Count John IV of Nassau-Siegen and his wife Lady Mary of Looz-Heinsberg.

Adriana died on 15 January 1477[2][note 2] and was buried in Saint Mary's Church [de] in Hanau.

On her epitaph, she is depicted in a praying position towards the (no longer extant) high altar.

[4][5]From the marriage of Adriana and Philip the following children were born:[6][7]