Agnes of Holstein (died 1386) was a Countess of Holstein-Kiel by birth and by marriage a Duchess of Saxe-Lauenburg.
She married Duke Eric II of Saxe-Lauenburg.
[1] She was noted for her bravery in her younger years, particularly for her willingness to travel through dangerous terrain without her husband while he was overseas.
[1] In her old age, Agnes went blind and was devoted to her religion.
On 22 March 1327 in Trittau, Agnes was engaged to marry Duke Eric II of Saxe-Lauenburg (d. 1368 or 1369).