The Duchess of Saxe-Weissenfels was a noble title held by women in the German principality of Saxe-Weissenfels. This duchy was part of the larger Saxony region and existed from the early 17th century until the late 18th century. The duchess played a significant role in the local court and was often involved in political and social matters of the time. The most notable duchess was Anna Sophie, who was born in 1666 and became the first duchess of Saxe-Weissenfels. She was known for her cultural contributions and patronage of the arts, helping to promote music and literature in her court. The duchy itself was known for its beautiful architecture and gardens.