Princess Elizabeth Juliane of Schleswig-Holstein-Sønderburg-Nordborg (24 May 1634 – 4 February 1704) was a Danish princess and a member of the House of Schleswig-Holstein-Sonderburg-Norburg by birth and a member of the House of Welf by marriage.

Her paternal grandparents were John II, Duke of Schleswig-Holstein-Sonderburg and Duchess Elisabeth of Brunswick-Grubenhagen.

Her maternal grandparents were Rudolph, Prince of Anhalt-Zerbst (1576–1621) and Princess Dorothea Hedwig (1587–1609).

[2] On 17 August 1656, Elizabeth Juliane married her cousin Anthony Ulrich, Duke of Brunswick-Wolfenbüttel.

They had 13 children, seven of whom reached adulthood:[3] Elizabeth Juliane also suffered four miscarriages: